Best Known (50, 50+24, s)-Nets in Base 27
(50, 50+24, 1641)-Net over F27 — Constructive and digital
Digital (50, 74, 1641)-net over F27, using
- 1 times m-reduction [i] based on digital (50, 75, 1641)-net over F27, using
- net defined by OOA [i] based on linear OOA(2775, 1641, F27, 25, 25) (dual of [(1641, 25), 40950, 26]-NRT-code), using
- OOA 12-folding and stacking with additional row [i] based on linear OA(2775, 19693, F27, 25) (dual of [19693, 19618, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(2775, 19694, F27, 25) (dual of [19694, 19619, 26]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- linear OA(2773, 19683, F27, 25) (dual of [19683, 19610, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 19682 = 273−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(2764, 19683, F27, 22) (dual of [19683, 19619, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 19682 = 273−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(272, 11, F27, 2) (dual of [11, 9, 3]-code or 11-arc in PG(1,27)), using
- discarding factors / shortening the dual code based on linear OA(272, 27, F27, 2) (dual of [27, 25, 3]-code or 27-arc in PG(1,27)), using
- Reed–Solomon code RS(25,27) [i]
- discarding factors / shortening the dual code based on linear OA(272, 27, F27, 2) (dual of [27, 25, 3]-code or 27-arc in PG(1,27)), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- discarding factors / shortening the dual code based on linear OA(2775, 19694, F27, 25) (dual of [19694, 19619, 26]-code), using
- OOA 12-folding and stacking with additional row [i] based on linear OA(2775, 19693, F27, 25) (dual of [19693, 19618, 26]-code), using
- net defined by OOA [i] based on linear OOA(2775, 1641, F27, 25, 25) (dual of [(1641, 25), 40950, 26]-NRT-code), using
(50, 50+24, 19551)-Net over F27 — Digital
Digital (50, 74, 19551)-net over F27, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(2774, 19551, F27, 24) (dual of [19551, 19477, 25]-code), using
- discarding factors / shortening the dual code based on linear OA(2774, 19702, F27, 24) (dual of [19702, 19628, 25]-code), using
- construction X applied to Ce(23) ⊂ Ce(18) [i] based on
- linear OA(2770, 19683, F27, 24) (dual of [19683, 19613, 25]-code), using an extension Ce(23) of the primitive narrow-sense BCH-code C(I) with length 19682 = 273−1, defining interval I = [1,23], and designed minimum distance d ≥ |I|+1 = 24 [i]
- linear OA(2755, 19683, F27, 19) (dual of [19683, 19628, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 19682 = 273−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(274, 19, F27, 4) (dual of [19, 15, 5]-code or 19-arc in PG(3,27)), using
- discarding factors / shortening the dual code based on linear OA(274, 27, F27, 4) (dual of [27, 23, 5]-code or 27-arc in PG(3,27)), using
- Reed–Solomon code RS(23,27) [i]
- discarding factors / shortening the dual code based on linear OA(274, 27, F27, 4) (dual of [27, 23, 5]-code or 27-arc in PG(3,27)), using
- construction X applied to Ce(23) ⊂ Ce(18) [i] based on
- discarding factors / shortening the dual code based on linear OA(2774, 19702, F27, 24) (dual of [19702, 19628, 25]-code), using
(50, 50+24, large)-Net in Base 27 — Upper bound on s
There is no (50, 74, large)-net in base 27, because
- 22 times m-reduction [i] would yield (50, 52, large)-net in base 27, but