Best Known (57−8, 57, s)-Nets in Base 2
(57−8, 57, 4099)-Net over F2 — Constructive and digital
Digital (49, 57, 4099)-net over F2, using
- net defined by OOA [i] based on linear OOA(257, 4099, F2, 8, 8) (dual of [(4099, 8), 32735, 9]-NRT-code), using
- OA 4-folding and stacking [i] based on linear OA(257, 16396, F2, 8) (dual of [16396, 16339, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(257, 16399, F2, 8) (dual of [16399, 16342, 9]-code), using
- 1 times truncation [i] based on linear OA(258, 16400, F2, 9) (dual of [16400, 16342, 10]-code), using
- construction X4 applied to Ce(8) ⊂ Ce(6) [i] based on
- linear OA(257, 16384, F2, 9) (dual of [16384, 16327, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 16383 = 214−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(243, 16384, F2, 7) (dual of [16384, 16341, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 16383 = 214−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(215, 16, F2, 15) (dual of [16, 1, 16]-code or 16-arc in PG(14,2)), using
- dual of repetition code with length 16 [i]
- linear OA(21, 16, F2, 1) (dual of [16, 15, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X4 applied to Ce(8) ⊂ Ce(6) [i] based on
- 1 times truncation [i] based on linear OA(258, 16400, F2, 9) (dual of [16400, 16342, 10]-code), using
- discarding factors / shortening the dual code based on linear OA(257, 16399, F2, 8) (dual of [16399, 16342, 9]-code), using
- OA 4-folding and stacking [i] based on linear OA(257, 16396, F2, 8) (dual of [16396, 16339, 9]-code), using
(57−8, 57, 5466)-Net over F2 — Digital
Digital (49, 57, 5466)-net over F2, using
- net defined by OOA [i] based on linear OOA(257, 5466, F2, 8, 8) (dual of [(5466, 8), 43671, 9]-NRT-code), using
- appending kth column [i] based on linear OOA(257, 5466, F2, 7, 8) (dual of [(5466, 7), 38205, 9]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(257, 5466, F2, 3, 8) (dual of [(5466, 3), 16341, 9]-NRT-code), using
- OOA 3-folding [i] based on linear OA(257, 16398, F2, 8) (dual of [16398, 16341, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(257, 16399, F2, 8) (dual of [16399, 16342, 9]-code), using
- 1 times truncation [i] based on linear OA(258, 16400, F2, 9) (dual of [16400, 16342, 10]-code), using
- construction X4 applied to Ce(8) ⊂ Ce(6) [i] based on
- linear OA(257, 16384, F2, 9) (dual of [16384, 16327, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 16383 = 214−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(243, 16384, F2, 7) (dual of [16384, 16341, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 16383 = 214−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(215, 16, F2, 15) (dual of [16, 1, 16]-code or 16-arc in PG(14,2)), using
- dual of repetition code with length 16 [i]
- linear OA(21, 16, F2, 1) (dual of [16, 15, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X4 applied to Ce(8) ⊂ Ce(6) [i] based on
- 1 times truncation [i] based on linear OA(258, 16400, F2, 9) (dual of [16400, 16342, 10]-code), using
- discarding factors / shortening the dual code based on linear OA(257, 16399, F2, 8) (dual of [16399, 16342, 9]-code), using
- OOA 3-folding [i] based on linear OA(257, 16398, F2, 8) (dual of [16398, 16341, 9]-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(257, 5466, F2, 3, 8) (dual of [(5466, 3), 16341, 9]-NRT-code), using
- appending kth column [i] based on linear OOA(257, 5466, F2, 7, 8) (dual of [(5466, 7), 38205, 9]-NRT-code), using
(57−8, 57, 43119)-Net in Base 2 — Upper bound on s
There is no (49, 57, 43120)-net in base 2, because
- the generalized Rao bound for nets shows that 2m ≥ 144120 353899 594381 > 257 [i]