Best Known (67−31, 67, s)-Nets in Base 64
(67−31, 67, 513)-Net over F64 — Constructive and digital
Digital (36, 67, 513)-net over F64, using
- t-expansion [i] based on digital (28, 67, 513)-net over F64, using
- net from sequence [i] based on digital (28, 512)-sequence over F64, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 28 and N(F) ≥ 513, using
- the Hermitian function field over F64 [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 28 and N(F) ≥ 513, using
- net from sequence [i] based on digital (28, 512)-sequence over F64, using
(67−31, 67, 545)-Net in Base 64 — Constructive
(36, 67, 545)-net in base 64, using
- (u, u+v)-construction [i] based on
- (5, 20, 257)-net in base 64, using
- base change [i] based on digital (0, 15, 257)-net over F256, using
- net from sequence [i] based on digital (0, 256)-sequence over F256, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257, using
- the rational function field F256(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 256)-sequence over F256, using
- base change [i] based on digital (0, 15, 257)-net over F256, using
- (16, 47, 288)-net in base 64, using
- 2 times m-reduction [i] based on (16, 49, 288)-net in base 64, using
- base change [i] based on digital (9, 42, 288)-net over F128, using
- net from sequence [i] based on digital (9, 287)-sequence over F128, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F128 with g(F) = 9 and N(F) ≥ 288, using
- net from sequence [i] based on digital (9, 287)-sequence over F128, using
- base change [i] based on digital (9, 42, 288)-net over F128, using
- 2 times m-reduction [i] based on (16, 49, 288)-net in base 64, using
- (5, 20, 257)-net in base 64, using
(67−31, 67, 2376)-Net over F64 — Digital
Digital (36, 67, 2376)-net over F64, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(6467, 2376, F64, 31) (dual of [2376, 2309, 32]-code), using
- discarding factors / shortening the dual code based on linear OA(6467, 4116, F64, 31) (dual of [4116, 4049, 32]-code), using
- construction X applied to Ce(30) ⊂ Ce(23) [i] based on
- linear OA(6461, 4096, F64, 31) (dual of [4096, 4035, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(6447, 4096, F64, 24) (dual of [4096, 4049, 25]-code), using an extension Ce(23) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,23], and designed minimum distance d ≥ |I|+1 = 24 [i]
- linear OA(646, 20, F64, 6) (dual of [20, 14, 7]-code or 20-arc in PG(5,64)), using
- discarding factors / shortening the dual code based on linear OA(646, 64, F64, 6) (dual of [64, 58, 7]-code or 64-arc in PG(5,64)), using
- Reed–Solomon code RS(58,64) [i]
- discarding factors / shortening the dual code based on linear OA(646, 64, F64, 6) (dual of [64, 58, 7]-code or 64-arc in PG(5,64)), using
- construction X applied to Ce(30) ⊂ Ce(23) [i] based on
- discarding factors / shortening the dual code based on linear OA(6467, 4116, F64, 31) (dual of [4116, 4049, 32]-code), using
(67−31, 67, large)-Net in Base 64 — Upper bound on s
There is no (36, 67, large)-net in base 64, because
- 29 times m-reduction [i] would yield (36, 38, large)-net in base 64, but