Information on Result #1307933
Linear OA(478, 273, F4, 26) (dual of [273, 195, 27]-code), using 10 step Varšamov–Edel lengthening with (ri) = (2, 0, 0, 1, 6 times 0) based on linear OA(475, 260, F4, 26) (dual of [260, 185, 27]-code), using
- construction X applied to Ce(25) ⊂ Ce(24) [i] based on
- linear OA(475, 256, F4, 26) (dual of [256, 181, 27]-code), using an extension Ce(25) of the primitive narrow-sense BCH-code C(I) with length 255 = 44−1, defining interval I = [1,25], and designed minimum distance d ≥ |I|+1 = 26 [i]
- linear OA(471, 256, F4, 25) (dual of [256, 185, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 255 = 44−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(40, 4, F4, 0) (dual of [4, 4, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(40, s, F4, 0) (dual of [s, s, 1]-code) for arbitrarily large s, 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.