Best Known (63, 72, s)-Nets in Base 3
(63, 72, 132859)-Net over F3 — Constructive and digital
Digital (63, 72, 132859)-net over F3, using
- net defined by OOA [i] based on linear OOA(372, 132859, F3, 9, 9) (dual of [(132859, 9), 1195659, 10]-NRT-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OA(372, 531437, F3, 9) (dual of [531437, 531365, 10]-code), using
- discarding factors / shortening the dual code based on linear OA(372, 531440, F3, 9) (dual of [531440, 531368, 10]-code), using
- 1 times truncation [i] based on linear OA(373, 531441, F3, 10) (dual of [531441, 531368, 11]-code), using
- an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 531440 = 312−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
- 1 times truncation [i] based on linear OA(373, 531441, F3, 10) (dual of [531441, 531368, 11]-code), using
- discarding factors / shortening the dual code based on linear OA(372, 531440, F3, 9) (dual of [531440, 531368, 10]-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OA(372, 531437, F3, 9) (dual of [531437, 531365, 10]-code), using
(63, 72, 265720)-Net over F3 — Digital
Digital (63, 72, 265720)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(372, 265720, F3, 2, 9) (dual of [(265720, 2), 531368, 10]-NRT-code), using
- OOA 2-folding [i] based on linear OA(372, 531440, F3, 9) (dual of [531440, 531368, 10]-code), using
- 1 times truncation [i] based on linear OA(373, 531441, F3, 10) (dual of [531441, 531368, 11]-code), using
- an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 531440 = 312−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
- 1 times truncation [i] based on linear OA(373, 531441, F3, 10) (dual of [531441, 531368, 11]-code), using
- OOA 2-folding [i] based on linear OA(372, 531440, F3, 9) (dual of [531440, 531368, 10]-code), using
(63, 72, large)-Net in Base 3 — Upper bound on s
There is no (63, 72, large)-net in base 3, because
- 7 times m-reduction [i] would yield (63, 65, large)-net in base 3, but