Best Known (71, 71+8, s)-Nets in Base 8
(71, 71+8, 4456447)-Net over F8 — Constructive and digital
Digital (71, 79, 4456447)-net over F8, using
- 81 times duplication [i] based on digital (70, 78, 4456447)-net over F8, using
- (u, u+v)-construction [i] based on
- digital (16, 20, 262147)-net over F8, using
- net defined by OOA [i] based on linear OOA(820, 262147, F8, 4, 4) (dual of [(262147, 4), 1048568, 5]-NRT-code), using
- appending kth column [i] based on linear OOA(820, 262147, F8, 3, 4) (dual of [(262147, 3), 786421, 5]-NRT-code), using
- OA 2-folding and stacking [i] based on linear OA(820, 524294, F8, 4) (dual of [524294, 524274, 5]-code), using
- trace code [i] based on linear OA(6410, 262147, F64, 4) (dual of [262147, 262137, 5]-code), using
- construction X applied to Ce(3) ⊂ Ce(2) [i] based on
- linear OA(6410, 262144, F64, 4) (dual of [262144, 262134, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
- linear OA(647, 262144, F64, 3) (dual of [262144, 262137, 4]-code or 262144-cap in PG(6,64)), using an extension Ce(2) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,2], and designed minimum distance d ≥ |I|+1 = 3 [i]
- linear OA(640, 3, F64, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(640, s, F64, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(3) ⊂ Ce(2) [i] based on
- trace code [i] based on linear OA(6410, 262147, F64, 4) (dual of [262147, 262137, 5]-code), using
- OA 2-folding and stacking [i] based on linear OA(820, 524294, F8, 4) (dual of [524294, 524274, 5]-code), using
- appending kth column [i] based on linear OOA(820, 262147, F8, 3, 4) (dual of [(262147, 3), 786421, 5]-NRT-code), using
- net defined by OOA [i] based on linear OOA(820, 262147, F8, 4, 4) (dual of [(262147, 4), 1048568, 5]-NRT-code), using
- digital (50, 58, 4194300)-net over F8, using
- net defined by OOA [i] based on linear OOA(858, 4194300, F8, 10, 8) (dual of [(4194300, 10), 41942942, 9]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(858, 8388601, F8, 2, 8) (dual of [(8388601, 2), 16777144, 9]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(858, 8388602, F8, 2, 8) (dual of [(8388602, 2), 16777146, 9]-NRT-code), using
- trace code [i] based on linear OOA(6429, 4194301, F64, 2, 8) (dual of [(4194301, 2), 8388573, 9]-NRT-code), using
- OOA 2-folding [i] based on linear OA(6429, 8388602, F64, 8) (dual of [8388602, 8388573, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(6429, large, F64, 8) (dual of [large, large−29, 9]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 644−1, defining interval I = [0,7], and designed minimum distance d ≥ |I|+1 = 9 [i]
- discarding factors / shortening the dual code based on linear OA(6429, large, F64, 8) (dual of [large, large−29, 9]-code), using
- OOA 2-folding [i] based on linear OA(6429, 8388602, F64, 8) (dual of [8388602, 8388573, 9]-code), using
- trace code [i] based on linear OOA(6429, 4194301, F64, 2, 8) (dual of [(4194301, 2), 8388573, 9]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(858, 8388602, F8, 2, 8) (dual of [(8388602, 2), 16777146, 9]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(858, 8388601, F8, 2, 8) (dual of [(8388601, 2), 16777144, 9]-NRT-code), using
- net defined by OOA [i] based on linear OOA(858, 4194300, F8, 10, 8) (dual of [(4194300, 10), 41942942, 9]-NRT-code), using
- digital (16, 20, 262147)-net over F8, using
- (u, u+v)-construction [i] based on
(71, 71+8, large)-Net over F8 — Digital
Digital (71, 79, large)-net over F8, using
- t-expansion [i] based on digital (69, 79, large)-net over F8, using
- 2 times m-reduction [i] based on digital (69, 81, large)-net over F8, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(881, large, F8, 12) (dual of [large, large−81, 13]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 88−1, defining interval I = [0,11], and designed minimum distance d ≥ |I|+1 = 13 [i]
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(881, large, F8, 12) (dual of [large, large−81, 13]-code), using
- 2 times m-reduction [i] based on digital (69, 81, large)-net over F8, using
(71, 71+8, large)-Net in Base 8 — Upper bound on s
There is no (71, 79, large)-net in base 8, because
- 6 times m-reduction [i] would yield (71, 73, large)-net in base 8, but