Information on Result #671296
Linear OA(12866, 2097305, F128, 19) (dual of [2097305, 2097239, 20]-code), using (u, u+v)-construction based on
- linear OA(12811, 152, F128, 9) (dual of [152, 141, 10]-code), using
- construction X applied to AG(F,139P) ⊂ AG(F,141P) [i] based on
- linear OA(12810, 149, F128, 9) (dual of [149, 139, 10]-code), using algebraic-geometric code AG(F,139P) [i] based on function field F/F128 with g(F) = 1 and N(F) ≥ 150, using
- linear OA(1288, 149, F128, 7) (dual of [149, 141, 8]-code), using algebraic-geometric code AG(F,141P) [i] based on function field F/F128 with g(F) = 1 and N(F) ≥ 150 (see above)
- linear OA(1281, 3, F128, 1) (dual of [3, 2, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(1281, s, F128, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X applied to AG(F,139P) ⊂ AG(F,141P) [i] based on
- linear OA(12855, 2097153, F128, 19) (dual of [2097153, 2097098, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 2097153 | 1286−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
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.