Best Known (29, 29+13, s)-Nets in Base 64
(29, 29+13, 43694)-Net over F64 — Constructive and digital
Digital (29, 42, 43694)-net over F64, using
- net defined by OOA [i] based on linear OOA(6442, 43694, F64, 13, 13) (dual of [(43694, 13), 567980, 14]-NRT-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(6442, 262165, F64, 13) (dual of [262165, 262123, 14]-code), using
- discarding factors / shortening the dual code based on linear OA(6442, 262168, F64, 13) (dual of [262168, 262126, 14]-code), using
- construction X applied to C([0,6]) ⊂ C([0,3]) [i] based on
- linear OA(6437, 262145, F64, 13) (dual of [262145, 262108, 14]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- linear OA(6419, 262145, F64, 7) (dual of [262145, 262126, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
- linear OA(645, 23, F64, 5) (dual of [23, 18, 6]-code or 23-arc in PG(4,64)), using
- discarding factors / shortening the dual code based on linear OA(645, 64, F64, 5) (dual of [64, 59, 6]-code or 64-arc in PG(4,64)), using
- Reed–Solomon code RS(59,64) [i]
- discarding factors / shortening the dual code based on linear OA(645, 64, F64, 5) (dual of [64, 59, 6]-code or 64-arc in PG(4,64)), using
- construction X applied to C([0,6]) ⊂ C([0,3]) [i] based on
- discarding factors / shortening the dual code based on linear OA(6442, 262168, F64, 13) (dual of [262168, 262126, 14]-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(6442, 262165, F64, 13) (dual of [262165, 262123, 14]-code), using
(29, 29+13, 262168)-Net over F64 — Digital
Digital (29, 42, 262168)-net over F64, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(6442, 262168, F64, 13) (dual of [262168, 262126, 14]-code), using
- construction X applied to C([0,6]) ⊂ C([0,3]) [i] based on
- linear OA(6437, 262145, F64, 13) (dual of [262145, 262108, 14]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- linear OA(6419, 262145, F64, 7) (dual of [262145, 262126, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
- linear OA(645, 23, F64, 5) (dual of [23, 18, 6]-code or 23-arc in PG(4,64)), using
- discarding factors / shortening the dual code based on linear OA(645, 64, F64, 5) (dual of [64, 59, 6]-code or 64-arc in PG(4,64)), using
- Reed–Solomon code RS(59,64) [i]
- discarding factors / shortening the dual code based on linear OA(645, 64, F64, 5) (dual of [64, 59, 6]-code or 64-arc in PG(4,64)), using
- construction X applied to C([0,6]) ⊂ C([0,3]) [i] based on
(29, 29+13, large)-Net in Base 64 — Upper bound on s
There is no (29, 42, large)-net in base 64, because
- 11 times m-reduction [i] would yield (29, 31, large)-net in base 64, but