Best Known (24−11, 24, s)-Nets in Base 49
(24−11, 24, 482)-Net over F49 — Constructive and digital
Digital (13, 24, 482)-net over F49, using
- net defined by OOA [i] based on linear OOA(4924, 482, F49, 11, 11) (dual of [(482, 11), 5278, 12]-NRT-code), using
- OOA 5-folding and stacking with additional row [i] based on linear OA(4924, 2411, F49, 11) (dual of [2411, 2387, 12]-code), using
- discarding factors / shortening the dual code based on linear OA(4924, 2413, F49, 11) (dual of [2413, 2389, 12]-code), using
- construction X applied to C([0,5]) ⊂ C([0,3]) [i] based on
- linear OA(4921, 2402, F49, 11) (dual of [2402, 2381, 12]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,5], and minimum distance d ≥ |{−5,−4,…,5}|+1 = 12 (BCH-bound) [i]
- linear OA(4913, 2402, F49, 7) (dual of [2402, 2389, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
- linear OA(493, 11, F49, 3) (dual of [11, 8, 4]-code or 11-arc in PG(2,49) or 11-cap in PG(2,49)), using
- discarding factors / shortening the dual code based on linear OA(493, 49, F49, 3) (dual of [49, 46, 4]-code or 49-arc in PG(2,49) or 49-cap in PG(2,49)), using
- Reed–Solomon code RS(46,49) [i]
- discarding factors / shortening the dual code based on linear OA(493, 49, F49, 3) (dual of [49, 46, 4]-code or 49-arc in PG(2,49) or 49-cap in PG(2,49)), using
- construction X applied to C([0,5]) ⊂ C([0,3]) [i] based on
- discarding factors / shortening the dual code based on linear OA(4924, 2413, F49, 11) (dual of [2413, 2389, 12]-code), using
- OOA 5-folding and stacking with additional row [i] based on linear OA(4924, 2411, F49, 11) (dual of [2411, 2387, 12]-code), using
(24−11, 24, 1799)-Net over F49 — Digital
Digital (13, 24, 1799)-net over F49, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4924, 1799, F49, 11) (dual of [1799, 1775, 12]-code), using
- discarding factors / shortening the dual code based on linear OA(4924, 2413, F49, 11) (dual of [2413, 2389, 12]-code), using
- construction X applied to C([0,5]) ⊂ C([0,3]) [i] based on
- linear OA(4921, 2402, F49, 11) (dual of [2402, 2381, 12]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,5], and minimum distance d ≥ |{−5,−4,…,5}|+1 = 12 (BCH-bound) [i]
- linear OA(4913, 2402, F49, 7) (dual of [2402, 2389, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
- linear OA(493, 11, F49, 3) (dual of [11, 8, 4]-code or 11-arc in PG(2,49) or 11-cap in PG(2,49)), using
- discarding factors / shortening the dual code based on linear OA(493, 49, F49, 3) (dual of [49, 46, 4]-code or 49-arc in PG(2,49) or 49-cap in PG(2,49)), using
- Reed–Solomon code RS(46,49) [i]
- discarding factors / shortening the dual code based on linear OA(493, 49, F49, 3) (dual of [49, 46, 4]-code or 49-arc in PG(2,49) or 49-cap in PG(2,49)), using
- construction X applied to C([0,5]) ⊂ C([0,3]) [i] based on
- discarding factors / shortening the dual code based on linear OA(4924, 2413, F49, 11) (dual of [2413, 2389, 12]-code), using
(24−11, 24, 3232188)-Net in Base 49 — Upper bound on s
There is no (13, 24, 3232189)-net in base 49, because
- 1 times m-reduction [i] would yield (13, 23, 3232189)-net in base 49, but
- the generalized Rao bound for nets shows that 49m ≥ 749 048767 967633 259659 373487 314330 652465 > 4923 [i]