Best Known (138, 149, s)-Nets in Base 5
(138, 149, 6711555)-Net over F5 — Constructive and digital
Digital (138, 149, 6711555)-net over F5, using
- generalized (u, u+v)-construction [i] based on
- digital (4, 7, 675)-net over F5, using
- net defined by OOA [i] based on linear OOA(57, 675, F5, 3, 3) (dual of [(675, 3), 2018, 4]-NRT-code), using
- appending kth column [i] based on linear OOA(57, 675, F5, 2, 3) (dual of [(675, 2), 1343, 4]-NRT-code), using
- net defined by OOA [i] based on linear OOA(57, 675, F5, 3, 3) (dual of [(675, 3), 2018, 4]-NRT-code), using
- digital (35, 40, 3355440)-net over F5, using
- s-reduction based on digital (35, 40, 4194301)-net over F5, using
- net defined by OOA [i] based on linear OOA(540, 4194301, F5, 5, 5) (dual of [(4194301, 5), 20971465, 6]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OA(540, large, F5, 5) (dual of [large, large−40, 6]-code), using
- the primitive narrow-sense BCH-code C(I) with length 9765624 = 510−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- OOA 2-folding and stacking with additional row [i] based on linear OA(540, large, F5, 5) (dual of [large, large−40, 6]-code), using
- net defined by OOA [i] based on linear OOA(540, 4194301, F5, 5, 5) (dual of [(4194301, 5), 20971465, 6]-NRT-code), using
- s-reduction based on digital (35, 40, 4194301)-net over F5, using
- digital (91, 102, 3355440)-net over F5, using
- trace code for nets [i] based on digital (40, 51, 1677720)-net over F25, using
- net defined by OOA [i] based on linear OOA(2551, 1677720, F25, 11, 11) (dual of [(1677720, 11), 18454869, 12]-NRT-code), using
- OOA 5-folding and stacking with additional row [i] based on linear OA(2551, 8388601, F25, 11) (dual of [8388601, 8388550, 12]-code), using
- discarding factors / shortening the dual code based on linear OA(2551, large, F25, 11) (dual of [large, large−51, 12]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 9765626 | 2510−1, defining interval I = [0,5], and minimum distance d ≥ |{−5,−4,…,5}|+1 = 12 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(2551, large, F25, 11) (dual of [large, large−51, 12]-code), using
- OOA 5-folding and stacking with additional row [i] based on linear OA(2551, 8388601, F25, 11) (dual of [8388601, 8388550, 12]-code), using
- net defined by OOA [i] based on linear OOA(2551, 1677720, F25, 11, 11) (dual of [(1677720, 11), 18454869, 12]-NRT-code), using
- trace code for nets [i] based on digital (40, 51, 1677720)-net over F25, using
- digital (4, 7, 675)-net over F5, using
(138, 149, large)-Net over F5 — Digital
Digital (138, 149, large)-net over F5, using
- 53 times duplication [i] based on digital (135, 146, large)-net over F5, using
- t-expansion [i] based on digital (129, 146, large)-net over F5, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(5146, large, F5, 17) (dual of [large, large−146, 18]-code), using
- 15 times code embedding in larger space [i] based on linear OA(5131, large, F5, 17) (dual of [large, large−131, 18]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 9765624 = 510−1, defining interval I = [0,16], and designed minimum distance d ≥ |I|+1 = 18 [i]
- 15 times code embedding in larger space [i] based on linear OA(5131, large, F5, 17) (dual of [large, large−131, 18]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(5146, large, F5, 17) (dual of [large, large−146, 18]-code), using
- t-expansion [i] based on digital (129, 146, large)-net over F5, using
(138, 149, large)-Net in Base 5 — Upper bound on s
There is no (138, 149, large)-net in base 5, because
- 9 times m-reduction [i] would yield (138, 140, large)-net in base 5, but