Best Known (42, 42+12, s)-Nets in Base 8
(42, 42+12, 5464)-Net over F8 — Constructive and digital
Digital (42, 54, 5464)-net over F8, using
- net defined by OOA [i] based on linear OOA(854, 5464, F8, 12, 12) (dual of [(5464, 12), 65514, 13]-NRT-code), using
- OA 6-folding and stacking [i] based on linear OA(854, 32784, F8, 12) (dual of [32784, 32730, 13]-code), using
- discarding factors / shortening the dual code based on linear OA(854, 32786, F8, 12) (dual of [32786, 32732, 13]-code), using
- construction X applied to Ce(11) ⊂ Ce(8) [i] based on
- linear OA(851, 32768, F8, 12) (dual of [32768, 32717, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 32767 = 85−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
- linear OA(836, 32768, F8, 9) (dual of [32768, 32732, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 32767 = 85−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(83, 18, F8, 2) (dual of [18, 15, 3]-code), using
- discarding factors / shortening the dual code based on linear OA(83, 63, F8, 2) (dual of [63, 60, 3]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 82−1, defining interval I = [0,1], and designed minimum distance d ≥ |I|+1 = 3 [i]
- discarding factors / shortening the dual code based on linear OA(83, 63, F8, 2) (dual of [63, 60, 3]-code), using
- construction X applied to Ce(11) ⊂ Ce(8) [i] based on
- discarding factors / shortening the dual code based on linear OA(854, 32786, F8, 12) (dual of [32786, 32732, 13]-code), using
- OA 6-folding and stacking [i] based on linear OA(854, 32784, F8, 12) (dual of [32784, 32730, 13]-code), using
(42, 42+12, 32786)-Net over F8 — Digital
Digital (42, 54, 32786)-net over F8, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(854, 32786, F8, 12) (dual of [32786, 32732, 13]-code), using
- construction X applied to Ce(11) ⊂ Ce(8) [i] based on
- linear OA(851, 32768, F8, 12) (dual of [32768, 32717, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 32767 = 85−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
- linear OA(836, 32768, F8, 9) (dual of [32768, 32732, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 32767 = 85−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(83, 18, F8, 2) (dual of [18, 15, 3]-code), using
- discarding factors / shortening the dual code based on linear OA(83, 63, F8, 2) (dual of [63, 60, 3]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 82−1, defining interval I = [0,1], and designed minimum distance d ≥ |I|+1 = 3 [i]
- discarding factors / shortening the dual code based on linear OA(83, 63, F8, 2) (dual of [63, 60, 3]-code), using
- construction X applied to Ce(11) ⊂ Ce(8) [i] based on
(42, 42+12, large)-Net in Base 8 — Upper bound on s
There is no (42, 54, large)-net in base 8, because
- 10 times m-reduction [i] would yield (42, 44, large)-net in base 8, but