Best Known (25, 25+8, s)-Nets in Base 5
(25, 25+8, 784)-Net over F5 — Constructive and digital
Digital (25, 33, 784)-net over F5, using
- 51 times duplication [i] based on digital (24, 32, 784)-net over F5, using
- net defined by OOA [i] based on linear OOA(532, 784, F5, 8, 8) (dual of [(784, 8), 6240, 9]-NRT-code), using
- OA 4-folding and stacking [i] based on linear OA(532, 3136, F5, 8) (dual of [3136, 3104, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(5) [i] based on
- linear OA(531, 3125, F5, 8) (dual of [3125, 3094, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 3124 = 55−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(521, 3125, F5, 6) (dual of [3125, 3104, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 3124 = 55−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(51, 11, F5, 1) (dual of [11, 10, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(51, s, F5, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(7) ⊂ Ce(5) [i] based on
- OA 4-folding and stacking [i] based on linear OA(532, 3136, F5, 8) (dual of [3136, 3104, 9]-code), using
- net defined by OOA [i] based on linear OOA(532, 784, F5, 8, 8) (dual of [(784, 8), 6240, 9]-NRT-code), using
(25, 25+8, 3142)-Net over F5 — Digital
Digital (25, 33, 3142)-net over F5, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(533, 3142, F5, 8) (dual of [3142, 3109, 9]-code), using
- 4 step Varšamov–Edel lengthening with (ri) = (1, 0, 0, 0) [i] based on linear OA(532, 3137, F5, 8) (dual of [3137, 3105, 9]-code), using
- construction X4 applied to Ce(7) ⊂ Ce(5) [i] based on
- linear OA(531, 3125, F5, 8) (dual of [3125, 3094, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 3124 = 55−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(521, 3125, F5, 6) (dual of [3125, 3104, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 3124 = 55−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(511, 12, F5, 11) (dual of [12, 1, 12]-code or 12-arc in PG(10,5)), using
- dual of repetition code with length 12 [i]
- linear OA(51, 12, F5, 1) (dual of [12, 11, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(51, s, F5, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X4 applied to Ce(7) ⊂ Ce(5) [i] based on
- 4 step Varšamov–Edel lengthening with (ri) = (1, 0, 0, 0) [i] based on linear OA(532, 3137, F5, 8) (dual of [3137, 3105, 9]-code), using
(25, 25+8, 323215)-Net in Base 5 — Upper bound on s
There is no (25, 33, 323216)-net in base 5, because
- the generalized Rao bound for nets shows that 5m ≥ 116416 239191 472148 465665 > 533 [i]