Best Known (47, 47+19, s)-Nets in Base 64
(47, 47+19, 29207)-Net over F64 — Constructive and digital
Digital (47, 66, 29207)-net over F64, using
- 641 times duplication [i] based on digital (46, 65, 29207)-net over F64, using
- (u, u+v)-construction [i] based on
- digital (1, 10, 80)-net over F64, using
- net from sequence [i] based on digital (1, 79)-sequence over F64, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 1 and N(F) ≥ 80, using
- net from sequence [i] based on digital (1, 79)-sequence over F64, using
- digital (36, 55, 29127)-net over F64, using
- net defined by OOA [i] based on linear OOA(6455, 29127, F64, 19, 19) (dual of [(29127, 19), 553358, 20]-NRT-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(6455, 262144, F64, 19) (dual of [262144, 262089, 20]-code), using
- an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- OOA 9-folding and stacking with additional row [i] based on linear OA(6455, 262144, F64, 19) (dual of [262144, 262089, 20]-code), using
- net defined by OOA [i] based on linear OOA(6455, 29127, F64, 19, 19) (dual of [(29127, 19), 553358, 20]-NRT-code), using
- digital (1, 10, 80)-net over F64, using
- (u, u+v)-construction [i] based on
(47, 47+19, 233017)-Net in Base 64 — Constructive
(47, 66, 233017)-net in base 64, using
- 641 times duplication [i] based on (46, 65, 233017)-net in base 64, using
- net defined by OOA [i] based on OOA(6465, 233017, S64, 19, 19), using
- OOA 9-folding and stacking with additional row [i] based on OA(6465, 2097154, S64, 19), using
- discarding factors based on OA(6465, 2097155, S64, 19), using
- discarding parts of the base [i] based on linear OA(12855, 2097155, F128, 19) (dual of [2097155, 2097100, 20]-code), using
- construction X applied to Ce(18) ⊂ Ce(17) [i] based on
- linear OA(12855, 2097152, F128, 19) (dual of [2097152, 2097097, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(12852, 2097152, F128, 18) (dual of [2097152, 2097100, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 2097151 = 1283−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(1280, 3, F128, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(1280, s, F128, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(18) ⊂ Ce(17) [i] based on
- discarding parts of the base [i] based on linear OA(12855, 2097155, F128, 19) (dual of [2097155, 2097100, 20]-code), using
- discarding factors based on OA(6465, 2097155, S64, 19), using
- OOA 9-folding and stacking with additional row [i] based on OA(6465, 2097154, S64, 19), using
- net defined by OOA [i] based on OOA(6465, 233017, S64, 19, 19), using
(47, 47+19, 502872)-Net over F64 — Digital
Digital (47, 66, 502872)-net over F64, using
(47, 47+19, large)-Net in Base 64 — Upper bound on s
There is no (47, 66, large)-net in base 64, because
- 17 times m-reduction [i] would yield (47, 49, large)-net in base 64, but