Information on Result #1372523
Linear OOA(771, 1385, F7, 2, 19) (dual of [(1385, 2), 2699, 20]-NRT-code), using OOA 2-folding based on linear OA(771, 2770, F7, 19) (dual of [2770, 2699, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(771, 2771, F7, 19) (dual of [2771, 2700, 20]-code), using
- 360 step Varšamov–Edel lengthening with (ri) = (2, 4 times 0, 1, 16 times 0, 1, 45 times 0, 1, 102 times 0, 1, 188 times 0) [i] based on linear OA(765, 2405, F7, 19) (dual of [2405, 2340, 20]-code), using
- construction X applied to Ce(18) ⊂ Ce(17) [i] based on
- linear OA(765, 2401, F7, 19) (dual of [2401, 2336, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 2400 = 74−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(761, 2401, F7, 18) (dual of [2401, 2340, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 2400 = 74−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(70, 4, F7, 0) (dual of [4, 4, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(70, s, F7, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
- construction X applied to Ce(18) ⊂ Ce(17) [i] based on
- 360 step Varšamov–Edel lengthening with (ri) = (2, 4 times 0, 1, 16 times 0, 1, 45 times 0, 1, 102 times 0, 1, 188 times 0) [i] based on linear OA(765, 2405, F7, 19) (dual of [2405, 2340, 20]-code), using
Mode: 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.