Best Known (80−12, 80, s)-Nets in Base 27
(80−12, 80, 1575276)-Net over F27 — Constructive and digital
Digital (68, 80, 1575276)-net over F27, using
- (u, u+v)-construction [i] based on
- digital (18, 24, 177176)-net over F27, using
- (u, u+v)-construction [i] based on
- digital (0, 3, 28)-net over F27, using
- net from sequence [i] based on digital (0, 27)-sequence over F27, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F27 with g(F) = 0 and N(F) ≥ 28, using
- the rational function field F27(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 27)-sequence over F27, using
- digital (15, 21, 177148)-net over F27, using
- net defined by OOA [i] based on linear OOA(2721, 177148, F27, 6, 6) (dual of [(177148, 6), 1062867, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(2721, 531444, F27, 6) (dual of [531444, 531423, 7]-code), using
- discarding factors / shortening the dual code based on linear OA(2721, 531445, F27, 6) (dual of [531445, 531424, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- linear OA(2721, 531441, F27, 6) (dual of [531441, 531420, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 531440 = 274−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(2717, 531441, F27, 5) (dual of [531441, 531424, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 531440 = 274−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(270, 4, F27, 0) (dual of [4, 4, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(270, s, F27, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- discarding factors / shortening the dual code based on linear OA(2721, 531445, F27, 6) (dual of [531445, 531424, 7]-code), using
- OA 3-folding and stacking [i] based on linear OA(2721, 531444, F27, 6) (dual of [531444, 531423, 7]-code), using
- net defined by OOA [i] based on linear OOA(2721, 177148, F27, 6, 6) (dual of [(177148, 6), 1062867, 7]-NRT-code), using
- digital (0, 3, 28)-net over F27, using
- (u, u+v)-construction [i] based on
- digital (44, 56, 1398100)-net over F27, using
- net defined by OOA [i] based on linear OOA(2756, 1398100, F27, 12, 12) (dual of [(1398100, 12), 16777144, 13]-NRT-code), using
- OA 6-folding and stacking [i] based on linear OA(2756, 8388600, F27, 12) (dual of [8388600, 8388544, 13]-code), using
- discarding factors / shortening the dual code based on linear OA(2756, large, F27, 12) (dual of [large, large−56, 13]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 14348906 = 275−1, defining interval I = [0,11], and designed minimum distance d ≥ |I|+1 = 13 [i]
- discarding factors / shortening the dual code based on linear OA(2756, large, F27, 12) (dual of [large, large−56, 13]-code), using
- OA 6-folding and stacking [i] based on linear OA(2756, 8388600, F27, 12) (dual of [8388600, 8388544, 13]-code), using
- net defined by OOA [i] based on linear OOA(2756, 1398100, F27, 12, 12) (dual of [(1398100, 12), 16777144, 13]-NRT-code), using
- digital (18, 24, 177176)-net over F27, using
(80−12, 80, large)-Net over F27 — Digital
Digital (68, 80, large)-net over F27, using
- 6 times m-reduction [i] based on digital (68, 86, large)-net over F27, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(2786, large, F27, 18) (dual of [large, large−86, 19]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 14348906 = 275−1, defining interval I = [0,17], and designed minimum distance d ≥ |I|+1 = 19 [i]
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(2786, large, F27, 18) (dual of [large, large−86, 19]-code), using
(80−12, 80, large)-Net in Base 27 — Upper bound on s
There is no (68, 80, large)-net in base 27, because
- 10 times m-reduction [i] would yield (68, 70, large)-net in base 27, but