Best Known (51, 51+13, s)-Nets in Base 64
(51, 51+13, 1402275)-Net over F64 — Constructive and digital
Digital (51, 64, 1402275)-net over F64, using
- (u, u+v)-construction [i] based on
- digital (9, 15, 4175)-net over F64, using
- generalized (u, u+v)-construction [i] based on
- digital (0, 0, 65)-net over F64, using
- s-reduction based on digital (0, 0, s)-net over F64 with arbitrarily large s, using
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 0, 65)-net over F64 (see above)
- digital (0, 1, 65)-net over F64, using
- s-reduction based on digital (0, 1, s)-net over F64 with arbitrarily large s, using
- digital (0, 1, 65)-net over F64 (see above)
- digital (0, 1, 65)-net over F64 (see above)
- digital (0, 2, 65)-net over F64, using
- digital (0, 3, 65)-net over F64, using
- net from sequence [i] based on digital (0, 64)-sequence over F64, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 0 and N(F) ≥ 65, using
- the rational function field F64(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 64)-sequence over F64, using
- digital (1, 7, 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 (0, 0, 65)-net over F64, using
- generalized (u, u+v)-construction [i] based on
- digital (36, 49, 1398100)-net over F64, using
- net defined by OOA [i] based on linear OOA(6449, 1398100, F64, 13, 13) (dual of [(1398100, 13), 18175251, 14]-NRT-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(6449, 8388601, F64, 13) (dual of [8388601, 8388552, 14]-code), using
- discarding factors / shortening the dual code based on linear OA(6449, large, F64, 13) (dual of [large, large−49, 14]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 16777217 | 648−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(6449, large, F64, 13) (dual of [large, large−49, 14]-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(6449, 8388601, F64, 13) (dual of [8388601, 8388552, 14]-code), using
- net defined by OOA [i] based on linear OOA(6449, 1398100, F64, 13, 13) (dual of [(1398100, 13), 18175251, 14]-NRT-code), using
- digital (9, 15, 4175)-net over F64, using
(51, 51+13, 1419946)-Net in Base 64 — Constructive
(51, 64, 1419946)-net in base 64, using
- base change [i] based on digital (35, 48, 1419946)-net over F256, using
- (u, u+v)-construction [i] based on
- digital (5, 11, 21846)-net over F256, using
- net defined by OOA [i] based on linear OOA(25611, 21846, F256, 6, 6) (dual of [(21846, 6), 131065, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(25611, 65538, F256, 6) (dual of [65538, 65527, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- linear OA(25611, 65536, F256, 6) (dual of [65536, 65525, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(2569, 65536, F256, 5) (dual of [65536, 65527, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(2560, 2, F256, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(2560, s, F256, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- OA 3-folding and stacking [i] based on linear OA(25611, 65538, F256, 6) (dual of [65538, 65527, 7]-code), using
- net defined by OOA [i] based on linear OOA(25611, 21846, F256, 6, 6) (dual of [(21846, 6), 131065, 7]-NRT-code), using
- digital (24, 37, 1398100)-net over F256, using
- net defined by OOA [i] based on linear OOA(25637, 1398100, F256, 13, 13) (dual of [(1398100, 13), 18175263, 14]-NRT-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(25637, 8388601, F256, 13) (dual of [8388601, 8388564, 14]-code), using
- discarding factors / shortening the dual code based on linear OA(25637, large, F256, 13) (dual of [large, large−37, 14]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,12], and designed minimum distance d ≥ |I|+1 = 14 [i]
- discarding factors / shortening the dual code based on linear OA(25637, large, F256, 13) (dual of [large, large−37, 14]-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(25637, 8388601, F256, 13) (dual of [8388601, 8388564, 14]-code), using
- net defined by OOA [i] based on linear OOA(25637, 1398100, F256, 13, 13) (dual of [(1398100, 13), 18175263, 14]-NRT-code), using
- digital (5, 11, 21846)-net over F256, using
- (u, u+v)-construction [i] based on
(51, 51+13, large)-Net over F64 — Digital
Digital (51, 64, large)-net over F64, using
- t-expansion [i] based on digital (50, 64, large)-net over F64, using
- 3 times m-reduction [i] based on digital (50, 67, large)-net over F64, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(6467, large, F64, 17) (dual of [large, large−67, 18]-code), using
- 2 times code embedding in larger space [i] based on linear OA(6465, large, F64, 17) (dual of [large, large−65, 18]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 16777217 | 648−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- 2 times code embedding in larger space [i] based on linear OA(6465, large, F64, 17) (dual of [large, large−65, 18]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(6467, large, F64, 17) (dual of [large, large−67, 18]-code), using
- 3 times m-reduction [i] based on digital (50, 67, large)-net over F64, using
(51, 51+13, large)-Net in Base 64 — Upper bound on s
There is no (51, 64, large)-net in base 64, because
- 11 times m-reduction [i] would yield (51, 53, large)-net in base 64, but