Best Known (56, 56+26, s)-Nets in Base 25
(56, 56+26, 1204)-Net over F25 — Constructive and digital
Digital (56, 82, 1204)-net over F25, using
- 251 times duplication [i] based on digital (55, 81, 1204)-net over F25, using
- net defined by OOA [i] based on linear OOA(2581, 1204, F25, 26, 26) (dual of [(1204, 26), 31223, 27]-NRT-code), using
- OA 13-folding and stacking [i] based on linear OA(2581, 15652, F25, 26) (dual of [15652, 15571, 27]-code), using
- discarding factors / shortening the dual code based on linear OA(2581, 15654, F25, 26) (dual of [15654, 15573, 27]-code), using
- construction X applied to Ce(25) ⊂ Ce(17) [i] based on
- linear OA(2573, 15625, F25, 26) (dual of [15625, 15552, 27]-code), using an extension Ce(25) of the primitive narrow-sense BCH-code C(I) with length 15624 = 253−1, defining interval I = [1,25], and designed minimum distance d ≥ |I|+1 = 26 [i]
- linear OA(2552, 15625, F25, 18) (dual of [15625, 15573, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 15624 = 253−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(258, 29, F25, 7) (dual of [29, 21, 8]-code), using
- construction X applied to AG(F,9P) ⊂ AG(F,10P) [i] based on
- linear OA(257, 26, F25, 7) (dual of [26, 19, 8]-code or 26-arc in PG(6,25)), using algebraic-geometric code AG(F,9P) with degPÂ =Â 2 [i] based on function field F/F25 with g(F) = 0 and N(F) ≥ 26, using the rational function field F25(x) [i]
- linear OA(255, 26, F25, 5) (dual of [26, 21, 6]-code or 26-arc in PG(4,25)), using algebraic-geometric code AG(F,10P) with degPÂ =Â 2 [i] based on function field F/F25 with g(F) = 0 and N(F) ≥ 26 (see above)
- linear OA(251, 3, F25, 1) (dual of [3, 2, 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 AG(F,9P) ⊂ AG(F,10P) [i] based on
- construction X applied to Ce(25) ⊂ Ce(17) [i] based on
- discarding factors / shortening the dual code based on linear OA(2581, 15654, F25, 26) (dual of [15654, 15573, 27]-code), using
- OA 13-folding and stacking [i] based on linear OA(2581, 15652, F25, 26) (dual of [15652, 15571, 27]-code), using
- net defined by OOA [i] based on linear OOA(2581, 1204, F25, 26, 26) (dual of [(1204, 26), 31223, 27]-NRT-code), using
(56, 56+26, 16330)-Net over F25 — Digital
Digital (56, 82, 16330)-net over F25, using
(56, 56+26, large)-Net in Base 25 — Upper bound on s
There is no (56, 82, large)-net in base 25, because
- 24 times m-reduction [i] would yield (56, 58, large)-net in base 25, but