Best Known (61−6, 61, s)-Nets in Base 4
(61−6, 61, 2830767)-Net over F4 — Constructive and digital
Digital (55, 61, 2830767)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (9, 12, 34566)-net over F4, using
- net defined by OOA [i] based on linear OOA(412, 34566, F4, 3, 3) (dual of [(34566, 3), 103686, 4]-NRT-code), using
- appending kth column [i] based on linear OOA(412, 34566, F4, 2, 3) (dual of [(34566, 2), 69120, 4]-NRT-code), using
- OAs with strength 3, b ≠ 2, and m > 3 are always embeddable [i] based on linear OA(412, 34566, F4, 3) (dual of [34566, 34554, 4]-code or 34566-cap in PG(11,4)), using
- appending kth column [i] based on linear OOA(412, 34566, F4, 2, 3) (dual of [(34566, 2), 69120, 4]-NRT-code), using
- net defined by OOA [i] based on linear OOA(412, 34566, F4, 3, 3) (dual of [(34566, 3), 103686, 4]-NRT-code), using
- digital (43, 49, 2796201)-net over F4, using
- net defined by OOA [i] based on linear OOA(449, 2796201, F4, 6, 6) (dual of [(2796201, 6), 16777157, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(449, large, F4, 6) (dual of [large, large−49, 7]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 412−1, defining interval I = [0,5], and designed minimum distance d ≥ |I|+1 = 7 [i]
- OA 3-folding and stacking [i] based on linear OA(449, large, F4, 6) (dual of [large, large−49, 7]-code), using
- net defined by OOA [i] based on linear OOA(449, 2796201, F4, 6, 6) (dual of [(2796201, 6), 16777157, 7]-NRT-code), using
- digital (9, 12, 34566)-net over F4, using
(61−6, 61, large)-Net over F4 — Digital
Digital (55, 61, large)-net over F4, using
- t-expansion [i] based on digital (54, 61, large)-net over F4, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(461, large, F4, 7) (dual of [large, large−61, 8]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 412−1, defining interval I = [0,6], and designed minimum distance d ≥ |I|+1 = 8 [i]
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(461, large, F4, 7) (dual of [large, large−61, 8]-code), using
(61−6, 61, large)-Net in Base 4 — Upper bound on s
There is no (55, 61, large)-net in base 4, because
- 4 times m-reduction [i] would yield (55, 57, large)-net in base 4, but