Best Known (148−16, 148, s)-Nets in Base 5
(148−16, 148, 1048734)-Net over F5 — Constructive and digital
Digital (132, 148, 1048734)-net over F5, using
- (u, u+v)-construction [i] based on
- digital (19, 27, 159)-net over F5, using
- net defined by OOA [i] based on linear OOA(527, 159, F5, 8, 8) (dual of [(159, 8), 1245, 9]-NRT-code), using
- OA 4-folding and stacking [i] based on linear OA(527, 636, F5, 8) (dual of [636, 609, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(527, 638, F5, 8) (dual of [638, 611, 9]-code), using
- construction XX applied to C1 = C([622,3]), C2 = C([0,5]), C3 = C1 + C2 = C([0,3]), and C∩ = C1 ∩ C2 = C([622,5]) [i] based on
- linear OA(521, 624, F5, 6) (dual of [624, 603, 7]-code), using the primitive BCH-code C(I) with length 624 = 54−1, defining interval I = {−2,−1,…,3}, and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(517, 624, F5, 6) (dual of [624, 607, 7]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 54−1, defining interval I = [0,5], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(525, 624, F5, 8) (dual of [624, 599, 9]-code), using the primitive BCH-code C(I) with length 624 = 54−1, defining interval I = {−2,−1,…,5}, and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(513, 624, F5, 4) (dual of [624, 611, 5]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 54−1, defining interval I = [0,3], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(51, 9, F5, 1) (dual of [9, 8, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(51, s, F5, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- linear OA(51, 5, F5, 1) (dual of [5, 4, 2]-code), using
- Reed–Solomon code RS(4,5) [i]
- construction XX applied to C1 = C([622,3]), C2 = C([0,5]), C3 = C1 + C2 = C([0,3]), and C∩ = C1 ∩ C2 = C([622,5]) [i] based on
- discarding factors / shortening the dual code based on linear OA(527, 638, F5, 8) (dual of [638, 611, 9]-code), using
- OA 4-folding and stacking [i] based on linear OA(527, 636, F5, 8) (dual of [636, 609, 9]-code), using
- net defined by OOA [i] based on linear OOA(527, 159, F5, 8, 8) (dual of [(159, 8), 1245, 9]-NRT-code), using
- digital (105, 121, 1048575)-net over F5, using
- net defined by OOA [i] based on linear OOA(5121, 1048575, F5, 16, 16) (dual of [(1048575, 16), 16777079, 17]-NRT-code), using
- OA 8-folding and stacking [i] based on linear OA(5121, 8388600, F5, 16) (dual of [8388600, 8388479, 17]-code), using
- discarding factors / shortening the dual code based on linear OA(5121, large, F5, 16) (dual of [large, large−121, 17]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 9765624 = 510−1, defining interval I = [0,15], and designed minimum distance d ≥ |I|+1 = 17 [i]
- discarding factors / shortening the dual code based on linear OA(5121, large, F5, 16) (dual of [large, large−121, 17]-code), using
- OA 8-folding and stacking [i] based on linear OA(5121, 8388600, F5, 16) (dual of [8388600, 8388479, 17]-code), using
- net defined by OOA [i] based on linear OOA(5121, 1048575, F5, 16, 16) (dual of [(1048575, 16), 16777079, 17]-NRT-code), using
- digital (19, 27, 159)-net over F5, using
(148−16, 148, large)-Net over F5 — Digital
Digital (132, 148, large)-net over F5, using
- 52 times duplication [i] based on digital (130, 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
(148−16, 148, large)-Net in Base 5 — Upper bound on s
There is no (132, 148, large)-net in base 5, because
- 14 times m-reduction [i] would yield (132, 134, large)-net in base 5, but