Best Known (52, 66, s)-Nets in Base 128
(52, 66, 1203832)-Net over F128 — Constructive and digital
Digital (52, 66, 1203832)-net over F128, using
- (u, u+v)-construction [i] based on
- digital (6, 13, 5461)-net over F128, using
- net defined by OOA [i] based on linear OOA(12813, 5461, F128, 7, 7) (dual of [(5461, 7), 38214, 8]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OA(12813, 16384, F128, 7) (dual of [16384, 16371, 8]-code), using
- an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- OOA 3-folding and stacking with additional row [i] based on linear OA(12813, 16384, F128, 7) (dual of [16384, 16371, 8]-code), using
- net defined by OOA [i] based on linear OOA(12813, 5461, F128, 7, 7) (dual of [(5461, 7), 38214, 8]-NRT-code), using
- digital (39, 53, 1198371)-net over F128, using
- net defined by OOA [i] based on linear OOA(12853, 1198371, F128, 14, 14) (dual of [(1198371, 14), 16777141, 15]-NRT-code), using
- OA 7-folding and stacking [i] based on linear OA(12853, 8388597, F128, 14) (dual of [8388597, 8388544, 15]-code), using
- discarding factors / shortening the dual code based on linear OA(12853, large, F128, 14) (dual of [large, large−53, 15]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 9256395 | 1284−1, defining interval I = [0,13], and designed minimum distance d ≥ |I|+1 = 15 [i]
- discarding factors / shortening the dual code based on linear OA(12853, large, F128, 14) (dual of [large, large−53, 15]-code), using
- OA 7-folding and stacking [i] based on linear OA(12853, 8388597, F128, 14) (dual of [8388597, 8388544, 15]-code), using
- net defined by OOA [i] based on linear OOA(12853, 1198371, F128, 14, 14) (dual of [(1198371, 14), 16777141, 15]-NRT-code), using
- digital (6, 13, 5461)-net over F128, using
(52, 66, 1897424)-Net in Base 128 — Constructive
(52, 66, 1897424)-net in base 128, using
- (u, u+v)-construction [i] based on
- digital (13, 20, 699053)-net over F128, using
- net defined by OOA [i] based on linear OOA(12820, 699053, F128, 7, 7) (dual of [(699053, 7), 4893351, 8]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OA(12820, 2097160, F128, 7) (dual of [2097160, 2097140, 8]-code), using
- construction X applied to C([0,3]) ⊂ C([0,2]) [i] based on
- linear OA(12819, 2097153, F128, 7) (dual of [2097153, 2097134, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 2097153 | 1286−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
- linear OA(12813, 2097153, F128, 5) (dual of [2097153, 2097140, 6]-code), using the expurgated narrow-sense BCH-code C(I) with length 2097153 | 1286−1, defining interval I = [0,2], and minimum distance d ≥ |{−2,−1,0,1,2}|+1 = 6 (BCH-bound) [i]
- linear OA(1281, 7, F128, 1) (dual of [7, 6, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(1281, s, F128, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to C([0,3]) ⊂ C([0,2]) [i] based on
- OOA 3-folding and stacking with additional row [i] based on linear OA(12820, 2097160, F128, 7) (dual of [2097160, 2097140, 8]-code), using
- net defined by OOA [i] based on linear OOA(12820, 699053, F128, 7, 7) (dual of [(699053, 7), 4893351, 8]-NRT-code), using
- (32, 46, 1198371)-net in base 128, using
- net defined by OOA [i] based on OOA(12846, 1198371, S128, 14, 14), using
- OA 7-folding and stacking [i] based on OA(12846, 8388597, S128, 14), using
- discarding factors based on OA(12846, large, S128, 14), using
- discarding parts of the base [i] based on linear OA(25640, large, F256, 14) (dual of [large, large−40, 15]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,13], and designed minimum distance d ≥ |I|+1 = 15 [i]
- discarding parts of the base [i] based on linear OA(25640, large, F256, 14) (dual of [large, large−40, 15]-code), using
- discarding factors based on OA(12846, large, S128, 14), using
- OA 7-folding and stacking [i] based on OA(12846, 8388597, S128, 14), using
- net defined by OOA [i] based on OOA(12846, 1198371, S128, 14, 14), using
- digital (13, 20, 699053)-net over F128, using
(52, 66, large)-Net over F128 — Digital
Digital (52, 66, large)-net over F128, using
- t-expansion [i] based on digital (51, 66, large)-net over F128, using
- 4 times m-reduction [i] based on digital (51, 70, large)-net over F128, using
(52, 66, large)-Net in Base 128 — Upper bound on s
There is no (52, 66, large)-net in base 128, because
- 12 times m-reduction [i] would yield (52, 54, large)-net in base 128, but