Code details
best found code with parameters
q=19 k=3 n=20
minimum distance = 18
this is new optimal code
the previous bounds were -1/18
this is a projective code
We used the prescribed group of automorphisms with the following generators
This group makes 77 orbits of sizes:
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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1
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5
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5
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5
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5
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5
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The solution of the corresponding linear system of equations was found after less than 100 seconds:
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0
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1
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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1
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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1
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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1
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0
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0
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0
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2
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0
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0
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2
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2
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0
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0
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2
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1
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2
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2
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1
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0
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0
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2
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0
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2
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0
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0
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2
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2
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2
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1
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2
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2
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2
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2
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2
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2
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2
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2
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2
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2
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2
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2
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0
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2
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0
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0
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0
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2
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0
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1
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0
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0
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2
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2
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2
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2
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2
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2
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2
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2
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0
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0
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0
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0
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0
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2
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0
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0
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2
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0
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0
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0
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0
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0
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2
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0
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0
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2
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2
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0
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0
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0
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0
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0
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This produces the following generator matrix
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0
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18
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18
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18
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18
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0
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18
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18
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18
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18
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18
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18
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18
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18
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18
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18
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18
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18
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18
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18
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18
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2
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16
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11
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9
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18
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6
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8
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17
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9
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14
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3
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3
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17
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11
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2
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16
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14
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6
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8
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3
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1
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0
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4
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11
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2
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1
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18
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9
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2
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12
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2
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8
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0
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16
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18
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11
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4
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9
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16
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Which is a code with the following weight distribution
1y20+3420x18y2+360x19y1+3078x20