Best Known (213, 213+32, s)-Nets in Base 4
(213, 213+32, 65538)-Net over F4 — Constructive and digital
Digital (213, 245, 65538)-net over F4, using
- net defined by OOA [i] based on linear OOA(4245, 65538, F4, 32, 32) (dual of [(65538, 32), 2096971, 33]-NRT-code), using
- OA 16-folding and stacking [i] based on linear OA(4245, 1048608, F4, 32) (dual of [1048608, 1048363, 33]-code), using
- discarding factors / shortening the dual code based on linear OA(4245, 1048610, F4, 32) (dual of [1048610, 1048365, 33]-code), using
- 1 times truncation [i] based on linear OA(4246, 1048611, F4, 33) (dual of [1048611, 1048365, 34]-code), using
- construction X applied to Ce(32) ⊂ Ce(28) [i] based on
- linear OA(4241, 1048576, F4, 33) (dual of [1048576, 1048335, 34]-code), using an extension Ce(32) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 410−1, defining interval I = [1,32], and designed minimum distance d ≥ |I|+1 = 33 [i]
- linear OA(4211, 1048576, F4, 29) (dual of [1048576, 1048365, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 410−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- linear OA(45, 35, F4, 3) (dual of [35, 30, 4]-code or 35-cap in PG(4,4)), using
- discarding factors / shortening the dual code based on linear OA(45, 41, F4, 3) (dual of [41, 36, 4]-code or 41-cap in PG(4,4)), using
- construction X applied to Ce(32) ⊂ Ce(28) [i] based on
- 1 times truncation [i] based on linear OA(4246, 1048611, F4, 33) (dual of [1048611, 1048365, 34]-code), using
- discarding factors / shortening the dual code based on linear OA(4245, 1048610, F4, 32) (dual of [1048610, 1048365, 33]-code), using
- OA 16-folding and stacking [i] based on linear OA(4245, 1048608, F4, 32) (dual of [1048608, 1048363, 33]-code), using
(213, 213+32, 431345)-Net over F4 — Digital
Digital (213, 245, 431345)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(4245, 431345, F4, 2, 32) (dual of [(431345, 2), 862445, 33]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(4245, 524305, F4, 2, 32) (dual of [(524305, 2), 1048365, 33]-NRT-code), using
- OOA 2-folding [i] based on linear OA(4245, 1048610, F4, 32) (dual of [1048610, 1048365, 33]-code), using
- 1 times truncation [i] based on linear OA(4246, 1048611, F4, 33) (dual of [1048611, 1048365, 34]-code), using
- construction X applied to Ce(32) ⊂ Ce(28) [i] based on
- linear OA(4241, 1048576, F4, 33) (dual of [1048576, 1048335, 34]-code), using an extension Ce(32) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 410−1, defining interval I = [1,32], and designed minimum distance d ≥ |I|+1 = 33 [i]
- linear OA(4211, 1048576, F4, 29) (dual of [1048576, 1048365, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 410−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- linear OA(45, 35, F4, 3) (dual of [35, 30, 4]-code or 35-cap in PG(4,4)), using
- discarding factors / shortening the dual code based on linear OA(45, 41, F4, 3) (dual of [41, 36, 4]-code or 41-cap in PG(4,4)), using
- construction X applied to Ce(32) ⊂ Ce(28) [i] based on
- 1 times truncation [i] based on linear OA(4246, 1048611, F4, 33) (dual of [1048611, 1048365, 34]-code), using
- OOA 2-folding [i] based on linear OA(4245, 1048610, F4, 32) (dual of [1048610, 1048365, 33]-code), using
- discarding factors / shortening the dual code based on linear OOA(4245, 524305, F4, 2, 32) (dual of [(524305, 2), 1048365, 33]-NRT-code), using
(213, 213+32, large)-Net in Base 4 — Upper bound on s
There is no (213, 245, large)-net in base 4, because
- 30 times m-reduction [i] would yield (213, 215, large)-net in base 4, but