Best Known (66−9, 66, s)-Nets in Base 16
(66−9, 66, 4718590)-Net over F16 — Constructive and digital
Digital (57, 66, 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 (41, 50, 4194300)-net over F16, using
- net defined by OOA [i] based on linear OOA(1650, 4194300, F16, 10, 9) (dual of [(4194300, 10), 41942950, 10]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(1650, 8388601, F16, 2, 9) (dual of [(8388601, 2), 16777152, 10]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(1650, 8388602, F16, 2, 9) (dual of [(8388602, 2), 16777154, 10]-NRT-code), using
- trace code [i] based on linear OOA(25625, 4194301, F256, 2, 9) (dual of [(4194301, 2), 8388577, 10]-NRT-code), using
- OOA 2-folding [i] based on linear OA(25625, 8388602, F256, 9) (dual of [8388602, 8388577, 10]-code), using
- discarding factors / shortening the dual code based on linear OA(25625, large, F256, 9) (dual of [large, large−25, 10]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,8], and designed minimum distance d ≥ |I|+1 = 10 [i]
- discarding factors / shortening the dual code based on linear OA(25625, large, F256, 9) (dual of [large, large−25, 10]-code), using
- OOA 2-folding [i] based on linear OA(25625, 8388602, F256, 9) (dual of [8388602, 8388577, 10]-code), using
- trace code [i] based on linear OOA(25625, 4194301, F256, 2, 9) (dual of [(4194301, 2), 8388577, 10]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(1650, 8388602, F16, 2, 9) (dual of [(8388602, 2), 16777154, 10]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(1650, 8388601, F16, 2, 9) (dual of [(8388601, 2), 16777152, 10]-NRT-code), using
- net defined by OOA [i] based on linear OOA(1650, 4194300, F16, 10, 9) (dual of [(4194300, 10), 41942950, 10]-NRT-code), using
- digital (12, 16, 524290)-net over F16, using
(66−9, 66, large)-Net over F16 — Digital
Digital (57, 66, large)-net over F16, using
- t-expansion [i] based on digital (55, 66, large)-net over F16, using
- 1 times m-reduction [i] based on digital (55, 67, large)-net over F16, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(1667, large, F16, 12) (dual of [large, large−67, 13]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 166−1, defining interval I = [0,11], and designed minimum distance d ≥ |I|+1 = 13 [i]
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(1667, large, F16, 12) (dual of [large, large−67, 13]-code), using
- 1 times m-reduction [i] based on digital (55, 67, large)-net over F16, using
(66−9, 66, large)-Net in Base 16 — Upper bound on s
There is no (57, 66, large)-net in base 16, because
- 7 times m-reduction [i] would yield (57, 59, large)-net in base 16, but