Best Known (55−9, 55, s)-Nets in Base 27
(55−9, 55, 2362875)-Net over F27 — Constructive and digital
Digital (46, 55, 2362875)-net over F27, using
- (u, u+v)-construction [i] based on
- digital (10, 14, 265725)-net over F27, using
- net defined by OOA [i] based on linear OOA(2714, 265725, F27, 4, 4) (dual of [(265725, 4), 1062886, 5]-NRT-code), using
- OA 2-folding and stacking [i] based on linear OA(2714, 531450, F27, 4) (dual of [531450, 531436, 5]-code), using
- construction X applied to Ce(3) ⊂ Ce(1) [i] based on
- linear OA(2713, 531441, F27, 4) (dual of [531441, 531428, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 531440 = 274−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
- linear OA(275, 531441, F27, 2) (dual of [531441, 531436, 3]-code), using an extension Ce(1) of the primitive narrow-sense BCH-code C(I) with length 531440 = 274−1, defining interval I = [1,1], and designed minimum distance d ≥ |I|+1 = 2 [i]
- linear OA(271, 9, F27, 1) (dual of [9, 8, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(271, s, F27, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(3) ⊂ Ce(1) [i] based on
- OA 2-folding and stacking [i] based on linear OA(2714, 531450, F27, 4) (dual of [531450, 531436, 5]-code), using
- net defined by OOA [i] based on linear OOA(2714, 265725, F27, 4, 4) (dual of [(265725, 4), 1062886, 5]-NRT-code), using
- digital (32, 41, 2097150)-net over F27, using
- net defined by OOA [i] based on linear OOA(2741, 2097150, F27, 9, 9) (dual of [(2097150, 9), 18874309, 10]-NRT-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OA(2741, 8388601, F27, 9) (dual of [8388601, 8388560, 10]-code), using
- discarding factors / shortening the dual code based on linear OA(2741, large, F27, 9) (dual of [large, large−41, 10]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 2710−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(2741, large, F27, 9) (dual of [large, large−41, 10]-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OA(2741, 8388601, F27, 9) (dual of [8388601, 8388560, 10]-code), using
- net defined by OOA [i] based on linear OOA(2741, 2097150, F27, 9, 9) (dual of [(2097150, 9), 18874309, 10]-NRT-code), using
- digital (10, 14, 265725)-net over F27, using
(55−9, 55, large)-Net over F27 — Digital
Digital (46, 55, large)-net over F27, using
- t-expansion [i] based on digital (44, 55, large)-net over F27, using
- 1 times m-reduction [i] based on digital (44, 56, large)-net over F27, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] 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]
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(2756, large, F27, 12) (dual of [large, large−56, 13]-code), using
- 1 times m-reduction [i] based on digital (44, 56, large)-net over F27, using
(55−9, 55, large)-Net in Base 27 — Upper bound on s
There is no (46, 55, large)-net in base 27, because
- 7 times m-reduction [i] would yield (46, 48, large)-net in base 27, but