Information on Result #1385386
Linear OOA(6474, 2743, F64, 2, 31) (dual of [(2743, 2), 5412, 32]-NRT-code), using OOA 2-folding based on linear OA(6474, 5486, F64, 31) (dual of [5486, 5412, 32]-code), using
- 1375 step Varšamov–Edel lengthening with (ri) = (5, 1, 0, 1, 6 times 0, 1, 17 times 0, 1, 41 times 0, 1, 93 times 0, 1, 201 times 0, 1, 389 times 0, 1, 618 times 0) [i] based on linear OA(6461, 4098, F64, 31) (dual of [4098, 4037, 32]-code), using
- construction X applied to Ce(30) ⊂ Ce(29) [i] based on
- linear OA(6461, 4096, F64, 31) (dual of [4096, 4035, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(6459, 4096, F64, 30) (dual of [4096, 4037, 31]-code), using an extension Ce(29) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,29], and designed minimum distance d ≥ |I|+1 = 30 [i]
- linear OA(640, 2, F64, 0) (dual of [2, 2, 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(30) ⊂ Ce(29) [i] based on
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.