Best Known (52, 52+8, s)-Nets in Base 16
(52, 52+8, 4718590)-Net over F16 — Constructive and digital
Digital (52, 60, 4718590)-net over F16, using
- (u, u+v)-construction [i] based on
- digital (12, 16, 524290)-net over F16, using
- net defined by OOA [i] based on linear OOA(1616, 524290, F16, 4, 4) (dual of [(524290, 4), 2097144, 5]-NRT-code), using
- OA 2-folding and stacking [i] based on linear OA(1616, 1048580, F16, 4) (dual of [1048580, 1048564, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(1616, 1048581, F16, 4) (dual of [1048581, 1048565, 5]-code), using
- construction X applied to Ce(3) ⊂ Ce(2) [i] based on
- linear OA(1616, 1048576, F16, 4) (dual of [1048576, 1048560, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 165−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
- linear OA(1611, 1048576, F16, 3) (dual of [1048576, 1048565, 4]-code or 1048576-cap in PG(10,16)), using an extension Ce(2) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 165−1, defining interval I = [1,2], and designed minimum distance d ≥ |I|+1 = 3 [i]
- linear OA(160, 5, F16, 0) (dual of [5, 5, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(160, s, F16, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(3) ⊂ Ce(2) [i] based on
- discarding factors / shortening the dual code based on linear OA(1616, 1048581, F16, 4) (dual of [1048581, 1048565, 5]-code), using
- OA 2-folding and stacking [i] based on linear OA(1616, 1048580, F16, 4) (dual of [1048580, 1048564, 5]-code), using
- net defined by OOA [i] based on linear OOA(1616, 524290, F16, 4, 4) (dual of [(524290, 4), 2097144, 5]-NRT-code), using
- digital (36, 44, 4194300)-net over F16, using
- net defined by OOA [i] based on linear OOA(1644, 4194300, F16, 10, 8) (dual of [(4194300, 10), 41942956, 9]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(1644, 8388601, F16, 2, 8) (dual of [(8388601, 2), 16777158, 9]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(1644, 8388602, F16, 2, 8) (dual of [(8388602, 2), 16777160, 9]-NRT-code), using
- trace code [i] based on linear OOA(25622, 4194301, F256, 2, 8) (dual of [(4194301, 2), 8388580, 9]-NRT-code), using
- OOA 2-folding [i] based on linear OA(25622, 8388602, F256, 8) (dual of [8388602, 8388580, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(25622, large, F256, 8) (dual of [large, large−22, 9]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,7], and designed minimum distance d ≥ |I|+1 = 9 [i]
- discarding factors / shortening the dual code based on linear OA(25622, large, F256, 8) (dual of [large, large−22, 9]-code), using
- OOA 2-folding [i] based on linear OA(25622, 8388602, F256, 8) (dual of [8388602, 8388580, 9]-code), using
- trace code [i] based on linear OOA(25622, 4194301, F256, 2, 8) (dual of [(4194301, 2), 8388580, 9]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(1644, 8388602, F16, 2, 8) (dual of [(8388602, 2), 16777160, 9]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(1644, 8388601, F16, 2, 8) (dual of [(8388601, 2), 16777158, 9]-NRT-code), using
- net defined by OOA [i] based on linear OOA(1644, 4194300, F16, 10, 8) (dual of [(4194300, 10), 41942956, 9]-NRT-code), using
- digital (12, 16, 524290)-net over F16, using
(52, 52+8, large)-Net over F16 — Digital
Digital (52, 60, large)-net over F16, using
- t-expansion [i] based on digital (50, 60, large)-net over F16, using
- 1 times m-reduction [i] based on digital (50, 61, large)-net over F16, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(1661, large, F16, 11) (dual of [large, large−61, 12]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 16777217 | 1612−1, defining interval I = [0,5], and minimum distance d ≥ |{−5,−4,…,5}|+1 = 12 (BCH-bound) [i]
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(1661, large, F16, 11) (dual of [large, large−61, 12]-code), using
- 1 times m-reduction [i] based on digital (50, 61, large)-net over F16, using
(52, 52+8, large)-Net in Base 16 — Upper bound on s
There is no (52, 60, large)-net in base 16, because
- 6 times m-reduction [i] would yield (52, 54, large)-net in base 16, but