Best Known (42−8, 42, s)-Nets in Base 25
(42−8, 42, 2097450)-Net over F25 — Constructive and digital
Digital (34, 42, 2097450)-net over F25, using
- (u, u+v)-construction [i] based on
- digital (2, 6, 300)-net over F25, using
- net defined by OOA [i] based on linear OOA(256, 300, F25, 4, 4) (dual of [(300, 4), 1194, 5]-NRT-code), using
- OA 2-folding and stacking [i] based on linear OA(256, 600, F25, 4) (dual of [600, 594, 5]-code), using
- 1 times truncation [i] based on linear OA(257, 601, F25, 5) (dual of [601, 594, 6]-code), using
- OA 2-folding and stacking [i] based on linear OA(256, 600, F25, 4) (dual of [600, 594, 5]-code), using
- net defined by OOA [i] based on linear OOA(256, 300, F25, 4, 4) (dual of [(300, 4), 1194, 5]-NRT-code), using
- digital (28, 36, 2097150)-net over F25, using
- net defined by OOA [i] based on linear OOA(2536, 2097150, F25, 8, 8) (dual of [(2097150, 8), 16777164, 9]-NRT-code), using
- OA 4-folding and stacking [i] based on linear OA(2536, 8388600, F25, 8) (dual of [8388600, 8388564, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(2536, large, F25, 8) (dual of [large, large−36, 9]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 9765624 = 255−1, defining interval I = [0,7], and designed minimum distance d ≥ |I|+1 = 9 [i]
- discarding factors / shortening the dual code based on linear OA(2536, large, F25, 8) (dual of [large, large−36, 9]-code), using
- OA 4-folding and stacking [i] based on linear OA(2536, 8388600, F25, 8) (dual of [8388600, 8388564, 9]-code), using
- net defined by OOA [i] based on linear OOA(2536, 2097150, F25, 8, 8) (dual of [(2097150, 8), 16777164, 9]-NRT-code), using
- digital (2, 6, 300)-net over F25, using
(42−8, 42, large)-Net over F25 — Digital
Digital (34, 42, large)-net over F25, using
- 251 times duplication [i] based on digital (33, 41, large)-net over F25, using
- t-expansion [i] based on digital (32, 41, large)-net over F25, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(2541, large, F25, 9) (dual of [large, large−41, 10]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 9765626 | 2510−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [i]
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(2541, large, F25, 9) (dual of [large, large−41, 10]-code), using
- t-expansion [i] based on digital (32, 41, large)-net over F25, using
(42−8, 42, large)-Net in Base 25 — Upper bound on s
There is no (34, 42, large)-net in base 25, because
- 6 times m-reduction [i] would yield (34, 36, large)-net in base 25, but