Best Known (56, 68, s)-Nets in Base 8
(56, 68, 87382)-Net over F8 — Constructive and digital
Digital (56, 68, 87382)-net over F8, using
- net defined by OOA [i] based on linear OOA(868, 87382, F8, 12, 12) (dual of [(87382, 12), 1048516, 13]-NRT-code), using
- OA 6-folding and stacking [i] based on linear OA(868, 524292, F8, 12) (dual of [524292, 524224, 13]-code), using
- discarding factors / shortening the dual code based on linear OA(868, 524294, F8, 12) (dual of [524294, 524226, 13]-code), using
- trace code [i] based on linear OA(6434, 262147, F64, 12) (dual of [262147, 262113, 13]-code), using
- construction X applied to Ce(11) ⊂ Ce(10) [i] based on
- linear OA(6434, 262144, F64, 12) (dual of [262144, 262110, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
- linear OA(6431, 262144, F64, 11) (dual of [262144, 262113, 12]-code), using an extension Ce(10) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,10], and designed minimum distance d ≥ |I|+1 = 11 [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(11) ⊂ Ce(10) [i] based on
- trace code [i] based on linear OA(6434, 262147, F64, 12) (dual of [262147, 262113, 13]-code), using
- discarding factors / shortening the dual code based on linear OA(868, 524294, F8, 12) (dual of [524294, 524226, 13]-code), using
- OA 6-folding and stacking [i] based on linear OA(868, 524292, F8, 12) (dual of [524292, 524224, 13]-code), using
(56, 68, 524294)-Net over F8 — Digital
Digital (56, 68, 524294)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(868, 524294, F8, 12) (dual of [524294, 524226, 13]-code), using
- trace code [i] based on linear OA(6434, 262147, F64, 12) (dual of [262147, 262113, 13]-code), using
- construction X applied to Ce(11) ⊂ Ce(10) [i] based on
- linear OA(6434, 262144, F64, 12) (dual of [262144, 262110, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
- linear OA(6431, 262144, F64, 11) (dual of [262144, 262113, 12]-code), using an extension Ce(10) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,10], and designed minimum distance d ≥ |I|+1 = 11 [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(11) ⊂ Ce(10) [i] based on
- trace code [i] based on linear OA(6434, 262147, F64, 12) (dual of [262147, 262113, 13]-code), using
(56, 68, large)-Net in Base 8 — Upper bound on s
There is no (56, 68, large)-net in base 8, because
- 10 times m-reduction [i] would yield (56, 58, large)-net in base 8, but