Best Known (73−25, 73, s)-Nets in Base 25
(73−25, 73, 1302)-Net over F25 — Constructive and digital
Digital (48, 73, 1302)-net over F25, using
- net defined by OOA [i] based on linear OOA(2573, 1302, F25, 25, 25) (dual of [(1302, 25), 32477, 26]-NRT-code), using
- OOA 12-folding and stacking with additional row [i] based on linear OA(2573, 15625, F25, 25) (dual of [15625, 15552, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(2573, 15626, F25, 25) (dual of [15626, 15553, 26]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 15626 | 256−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(2573, 15626, F25, 25) (dual of [15626, 15553, 26]-code), using
- OOA 12-folding and stacking with additional row [i] based on linear OA(2573, 15625, F25, 25) (dual of [15625, 15552, 26]-code), using
(73−25, 73, 9330)-Net over F25 — Digital
Digital (48, 73, 9330)-net over F25, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(2573, 9330, F25, 25) (dual of [9330, 9257, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(2573, 15626, F25, 25) (dual of [15626, 15553, 26]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 15626 | 256−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(2573, 15626, F25, 25) (dual of [15626, 15553, 26]-code), using
(73−25, 73, large)-Net in Base 25 — Upper bound on s
There is no (48, 73, large)-net in base 25, because
- 23 times m-reduction [i] would yield (48, 50, large)-net in base 25, but