Best Known (9, 9+8, s)-Nets in Base 64
(9, 9+8, 1026)-Net over F64 — Constructive and digital
Digital (9, 17, 1026)-net over F64, using
- net defined by OOA [i] based on linear OOA(6417, 1026, F64, 8, 8) (dual of [(1026, 8), 8191, 9]-NRT-code), using
- OA 4-folding and stacking [i] based on linear OA(6417, 4104, F64, 8) (dual of [4104, 4087, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- linear OA(6415, 4096, F64, 8) (dual of [4096, 4081, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(649, 4096, F64, 5) (dual of [4096, 4087, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(642, 8, F64, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,64)), using
- discarding factors / shortening the dual code based on linear OA(642, 64, F64, 2) (dual of [64, 62, 3]-code or 64-arc in PG(1,64)), using
- Reed–Solomon code RS(62,64) [i]
- discarding factors / shortening the dual code based on linear OA(642, 64, F64, 2) (dual of [64, 62, 3]-code or 64-arc in PG(1,64)), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- OA 4-folding and stacking [i] based on linear OA(6417, 4104, F64, 8) (dual of [4104, 4087, 9]-code), using
(9, 9+8, 3112)-Net over F64 — Digital
Digital (9, 17, 3112)-net over F64, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(6417, 3112, F64, 8) (dual of [3112, 3095, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(6417, 4104, F64, 8) (dual of [4104, 4087, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- linear OA(6415, 4096, F64, 8) (dual of [4096, 4081, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(649, 4096, F64, 5) (dual of [4096, 4087, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(642, 8, F64, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,64)), using
- discarding factors / shortening the dual code based on linear OA(642, 64, F64, 2) (dual of [64, 62, 3]-code or 64-arc in PG(1,64)), using
- Reed–Solomon code RS(62,64) [i]
- discarding factors / shortening the dual code based on linear OA(642, 64, F64, 2) (dual of [64, 62, 3]-code or 64-arc in PG(1,64)), using
- construction X applied to Ce(7) ⊂ Ce(4) [i] based on
- discarding factors / shortening the dual code based on linear OA(6417, 4104, F64, 8) (dual of [4104, 4087, 9]-code), using
(9, 9+8, 1667157)-Net in Base 64 — Upper bound on s
There is no (9, 17, 1667158)-net in base 64, because
- the generalized Rao bound for nets shows that 64m ≥ 5 070603 224972 958288 029073 671761 > 6417 [i]