Information on Result #1745826
Digital (21, 39, 1095)-net over F81, using net defined by OOA based on linear OOA(8139, 1095, F81, 21, 18) (dual of [(1095, 21), 22956, 19]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OOA(8139, 3286, F81, 3, 18) (dual of [(3286, 3), 9819, 19]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(8139, 3287, F81, 3, 18) (dual of [(3287, 3), 9822, 19]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(8139, 3287, F81, 2, 18) (dual of [(3287, 2), 6535, 19]-NRT-code), using
- OOA 2-folding [i] based on linear OA(8139, 6574, F81, 18) (dual of [6574, 6535, 19]-code), using
- discarding factors / shortening the dual code based on linear OA(8139, 6575, F81, 18) (dual of [6575, 6536, 19]-code), using
- construction X applied to Ce(17) ⊂ Ce(12) [i] based on
- linear OA(8135, 6561, F81, 18) (dual of [6561, 6526, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(8125, 6561, F81, 13) (dual of [6561, 6536, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(814, 14, F81, 4) (dual of [14, 10, 5]-code or 14-arc in PG(3,81)), using
- discarding factors / shortening the dual code based on linear OA(814, 81, F81, 4) (dual of [81, 77, 5]-code or 81-arc in PG(3,81)), using
- Reed–Solomon code RS(77,81) [i]
- discarding factors / shortening the dual code based on linear OA(814, 81, F81, 4) (dual of [81, 77, 5]-code or 81-arc in PG(3,81)), using
- construction X applied to Ce(17) ⊂ Ce(12) [i] based on
- discarding factors / shortening the dual code based on linear OA(8139, 6575, F81, 18) (dual of [6575, 6536, 19]-code), using
- OOA 2-folding [i] based on linear OA(8139, 6574, F81, 18) (dual of [6574, 6535, 19]-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(8139, 3287, F81, 2, 18) (dual of [(3287, 2), 6535, 19]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(8139, 3287, F81, 3, 18) (dual of [(3287, 3), 9822, 19]-NRT-code), using
Mode: Linear.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m and t, t and s.
Other Results with Identical Parameters
None.
Depending Results
None.