Best Known (47−12, 47, s)-Nets in Base 49
(47−12, 47, 960802)-Net over F49 — Constructive and digital
Digital (35, 47, 960802)-net over F49, using
- net defined by OOA [i] based on linear OOA(4947, 960802, F49, 12, 12) (dual of [(960802, 12), 11529577, 13]-NRT-code), using
- OA 6-folding and stacking [i] based on linear OA(4947, 5764812, F49, 12) (dual of [5764812, 5764765, 13]-code), using
- discarding factors / shortening the dual code based on linear OA(4947, 5764815, F49, 12) (dual of [5764815, 5764768, 13]-code), using
- construction X applied to Ce(11) ⊂ Ce(8) [i] based on
- linear OA(4945, 5764801, F49, 12) (dual of [5764801, 5764756, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
- linear OA(4933, 5764801, F49, 9) (dual of [5764801, 5764768, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(492, 14, F49, 2) (dual of [14, 12, 3]-code or 14-arc in PG(1,49)), using
- discarding factors / shortening the dual code based on linear OA(492, 49, F49, 2) (dual of [49, 47, 3]-code or 49-arc in PG(1,49)), using
- Reed–Solomon code RS(47,49) [i]
- discarding factors / shortening the dual code based on linear OA(492, 49, F49, 2) (dual of [49, 47, 3]-code or 49-arc in PG(1,49)), using
- construction X applied to Ce(11) ⊂ Ce(8) [i] based on
- discarding factors / shortening the dual code based on linear OA(4947, 5764815, F49, 12) (dual of [5764815, 5764768, 13]-code), using
- OA 6-folding and stacking [i] based on linear OA(4947, 5764812, F49, 12) (dual of [5764812, 5764765, 13]-code), using
(47−12, 47, 5618711)-Net over F49 — Digital
Digital (35, 47, 5618711)-net over F49, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4947, 5618711, F49, 12) (dual of [5618711, 5618664, 13]-code), using
- discarding factors / shortening the dual code based on linear OA(4947, 5764815, F49, 12) (dual of [5764815, 5764768, 13]-code), using
- construction X applied to Ce(11) ⊂ Ce(8) [i] based on
- linear OA(4945, 5764801, F49, 12) (dual of [5764801, 5764756, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
- linear OA(4933, 5764801, F49, 9) (dual of [5764801, 5764768, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(492, 14, F49, 2) (dual of [14, 12, 3]-code or 14-arc in PG(1,49)), using
- discarding factors / shortening the dual code based on linear OA(492, 49, F49, 2) (dual of [49, 47, 3]-code or 49-arc in PG(1,49)), using
- Reed–Solomon code RS(47,49) [i]
- discarding factors / shortening the dual code based on linear OA(492, 49, F49, 2) (dual of [49, 47, 3]-code or 49-arc in PG(1,49)), using
- construction X applied to Ce(11) ⊂ Ce(8) [i] based on
- discarding factors / shortening the dual code based on linear OA(4947, 5764815, F49, 12) (dual of [5764815, 5764768, 13]-code), using
(47−12, 47, large)-Net in Base 49 — Upper bound on s
There is no (35, 47, large)-net in base 49, because
- 10 times m-reduction [i] would yield (35, 37, large)-net in base 49, but