Best Known (70, 70+24, s)-Nets in Base 25
(70, 70+24, 32552)-Net over F25 — Constructive and digital
Digital (70, 94, 32552)-net over F25, using
- 251 times duplication [i] based on digital (69, 93, 32552)-net over F25, using
- net defined by OOA [i] based on linear OOA(2593, 32552, F25, 24, 24) (dual of [(32552, 24), 781155, 25]-NRT-code), using
- OA 12-folding and stacking [i] based on linear OA(2593, 390624, F25, 24) (dual of [390624, 390531, 25]-code), using
- discarding factors / shortening the dual code based on linear OA(2593, 390625, F25, 24) (dual of [390625, 390532, 25]-code), using
- an extension Ce(23) of the primitive narrow-sense BCH-code C(I) with length 390624 = 254−1, defining interval I = [1,23], and designed minimum distance d ≥ |I|+1 = 24 [i]
- discarding factors / shortening the dual code based on linear OA(2593, 390625, F25, 24) (dual of [390625, 390532, 25]-code), using
- OA 12-folding and stacking [i] based on linear OA(2593, 390624, F25, 24) (dual of [390624, 390531, 25]-code), using
- net defined by OOA [i] based on linear OOA(2593, 32552, F25, 24, 24) (dual of [(32552, 24), 781155, 25]-NRT-code), using
(70, 70+24, 306267)-Net over F25 — Digital
Digital (70, 94, 306267)-net over F25, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(2594, 306267, F25, 24) (dual of [306267, 306173, 25]-code), using
- discarding factors / shortening the dual code based on linear OA(2594, 390634, F25, 24) (dual of [390634, 390540, 25]-code), using
- construction X applied to Ce(23) ⊂ Ce(21) [i] based on
- linear OA(2593, 390625, F25, 24) (dual of [390625, 390532, 25]-code), using an extension Ce(23) of the primitive narrow-sense BCH-code C(I) with length 390624 = 254−1, defining interval I = [1,23], and designed minimum distance d ≥ |I|+1 = 24 [i]
- linear OA(2585, 390625, F25, 22) (dual of [390625, 390540, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 390624 = 254−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(251, 9, F25, 1) (dual of [9, 8, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(251, s, F25, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(23) ⊂ Ce(21) [i] based on
- discarding factors / shortening the dual code based on linear OA(2594, 390634, F25, 24) (dual of [390634, 390540, 25]-code), using
(70, 70+24, large)-Net in Base 25 — Upper bound on s
There is no (70, 94, large)-net in base 25, because
- 22 times m-reduction [i] would yield (70, 72, large)-net in base 25, but