Best Known (23, 23+8, s)-Nets in Base 25
(23, 23+8, 97659)-Net over F25 — Constructive and digital
Digital (23, 31, 97659)-net over F25, using
- net defined by OOA [i] based on linear OOA(2531, 97659, F25, 8, 8) (dual of [(97659, 8), 781241, 9]-NRT-code), using
- OA 4-folding and stacking [i] based on linear OA(2531, 390636, F25, 8) (dual of [390636, 390605, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(2531, 390639, F25, 8) (dual of [390639, 390608, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- linear OA(2529, 390625, F25, 8) (dual of [390625, 390596, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 390624 = 254−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(2517, 390625, F25, 5) (dual of [390625, 390608, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 390624 = 254−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(252, 14, F25, 2) (dual of [14, 12, 3]-code or 14-arc in PG(1,25)), using
- discarding factors / shortening the dual code based on linear OA(252, 25, F25, 2) (dual of [25, 23, 3]-code or 25-arc in PG(1,25)), using
- Reed–Solomon code RS(23,25) [i]
- discarding factors / shortening the dual code based on linear OA(252, 25, F25, 2) (dual of [25, 23, 3]-code or 25-arc in PG(1,25)), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- discarding factors / shortening the dual code based on linear OA(2531, 390639, F25, 8) (dual of [390639, 390608, 9]-code), using
- OA 4-folding and stacking [i] based on linear OA(2531, 390636, F25, 8) (dual of [390636, 390605, 9]-code), using
(23, 23+8, 390639)-Net over F25 — Digital
Digital (23, 31, 390639)-net over F25, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(2531, 390639, F25, 8) (dual of [390639, 390608, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- linear OA(2529, 390625, F25, 8) (dual of [390625, 390596, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 390624 = 254−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(2517, 390625, F25, 5) (dual of [390625, 390608, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 390624 = 254−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(252, 14, F25, 2) (dual of [14, 12, 3]-code or 14-arc in PG(1,25)), using
- discarding factors / shortening the dual code based on linear OA(252, 25, F25, 2) (dual of [25, 23, 3]-code or 25-arc in PG(1,25)), using
- Reed–Solomon code RS(23,25) [i]
- discarding factors / shortening the dual code based on linear OA(252, 25, F25, 2) (dual of [25, 23, 3]-code or 25-arc in PG(1,25)), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
(23, 23+8, large)-Net in Base 25 — Upper bound on s
There is no (23, 31, large)-net in base 25, because
- 6 times m-reduction [i] would yield (23, 25, large)-net in base 25, but