Information on Result #874131
Linear OOA(6465, 131113, F64, 2, 19) (dual of [(131113, 2), 262161, 20]-NRT-code), using OOA 2-folding based on linear OA(6465, 262226, F64, 19) (dual of [262226, 262161, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(6465, 262227, F64, 19) (dual of [262227, 262162, 20]-code), using
- (u, u+v)-construction [i] based on
- linear OA(6410, 80, F64, 9) (dual of [80, 70, 10]-code), using
- extended algebraic-geometric code AGe(F,70P) [i] based on function field F/F64 with g(F) = 1 and N(F) ≥ 80, using
- linear OA(6455, 262147, F64, 19) (dual of [262147, 262092, 20]-code), using
- construction X applied to Ce(18) ⊂ Ce(17) [i] based on
- linear OA(6455, 262144, F64, 19) (dual of [262144, 262089, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(6452, 262144, F64, 18) (dual of [262144, 262092, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(640, 3, F64, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(640, s, F64, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
- construction X applied to Ce(18) ⊂ Ce(17) [i] based on
- linear OA(6410, 80, F64, 9) (dual of [80, 70, 10]-code), using
- (u, u+v)-construction [i] based on
Mode: Constructive and linear.
Optimality
Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.
Other Results with Identical Parameters
None.
Depending Results
None.