Information on Result #1384945
Linear OOA(6419, 2485, F64, 2, 8) (dual of [(2485, 2), 4951, 9]-NRT-code), using OOA 2-folding based on linear OA(6419, 4970, F64, 8) (dual of [4970, 4951, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(6419, 4971, F64, 8) (dual of [4971, 4952, 9]-code), using
- 869 step Varšamov–Edel lengthening with (ri) = (2, 12 times 0, 1, 110 times 0, 1, 744 times 0) [i] based on linear OA(6415, 4098, F64, 8) (dual of [4098, 4083, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(6) [i] based on
- linear OA(6415, 4096, F64, 8) (dual of [4096, 4081, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(6413, 4096, F64, 7) (dual of [4096, 4083, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [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(7) ⊂ Ce(6) [i] based on
- 869 step Varšamov–Edel lengthening with (ri) = (2, 12 times 0, 1, 110 times 0, 1, 744 times 0) [i] based on linear OA(6415, 4098, F64, 8) (dual of [4098, 4083, 9]-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.