Best Known (74−11, 74, s)-Nets in Base 81
(74−11, 74, large)-Net over F81 — Constructive and digital
Digital (63, 74, large)-net over F81, using
- 8110 times duplication [i] based on digital (53, 64, large)-net over F81, using
- generalized (u, u+v)-construction [i] based on
- digital (0, 0, 106288)-net over F81, using
- s-reduction based on digital (0, 0, s)-net over F81 with arbitrarily large s, using
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 0, 106288)-net over F81 (see above)
- digital (0, 1, 106288)-net over F81, using
- s-reduction based on digital (0, 1, s)-net over F81 with arbitrarily large s, using
- digital (0, 1, 106288)-net over F81 (see above)
- digital (0, 1, 106288)-net over F81 (see above)
- digital (0, 1, 106288)-net over F81 (see above)
- digital (0, 1, 106288)-net over F81 (see above)
- digital (0, 1, 106288)-net over F81 (see above)
- digital (2, 4, 106288)-net over F81, using
- s-reduction based on digital (2, 4, 538084)-net over F81, using
- digital (2, 4, 106288)-net over F81 (see above)
- digital (3, 6, 106288)-net over F81, using
- s-reduction based on digital (3, 6, 538248)-net over F81, using
- net defined by OOA [i] based on linear OOA(816, 538248, F81, 3, 3) (dual of [(538248, 3), 1614738, 4]-NRT-code), using
- appending kth column [i] based on linear OOA(816, 538248, F81, 2, 3) (dual of [(538248, 2), 1076490, 4]-NRT-code), using
- net defined by OOA [i] based on linear OOA(816, 538248, F81, 3, 3) (dual of [(538248, 3), 1614738, 4]-NRT-code), using
- s-reduction based on digital (3, 6, 538248)-net over F81, using
- digital (8, 13, 106288)-net over F81, using
- s-reduction based on digital (8, 13, 265721)-net over F81, using
- net defined by OOA [i] based on linear OOA(8113, 265721, F81, 5, 5) (dual of [(265721, 5), 1328592, 6]-NRT-code), using
- appending kth column [i] based on linear OOA(8113, 265721, F81, 4, 5) (dual of [(265721, 4), 1062871, 6]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OA(8113, 531443, F81, 5) (dual of [531443, 531430, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(8113, 531444, F81, 5) (dual of [531444, 531431, 6]-code), using
- construction X applied to Ce(4) ⊂ Ce(3) [i] based on
- linear OA(8113, 531441, F81, 5) (dual of [531441, 531428, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(8110, 531441, F81, 4) (dual of [531441, 531431, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
- linear OA(810, 3, F81, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(810, s, F81, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(4) ⊂ Ce(3) [i] based on
- discarding factors / shortening the dual code based on linear OA(8113, 531444, F81, 5) (dual of [531444, 531431, 6]-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OA(8113, 531443, F81, 5) (dual of [531443, 531430, 6]-code), using
- appending kth column [i] based on linear OOA(8113, 265721, F81, 4, 5) (dual of [(265721, 4), 1062871, 6]-NRT-code), using
- net defined by OOA [i] based on linear OOA(8113, 265721, F81, 5, 5) (dual of [(265721, 5), 1328592, 6]-NRT-code), using
- s-reduction based on digital (8, 13, 265721)-net over F81, using
- digital (20, 31, 106288)-net over F81, using
- net defined by OOA [i] based on linear OOA(8131, 106288, F81, 11, 11) (dual of [(106288, 11), 1169137, 12]-NRT-code), using
- OOA 5-folding and stacking with additional row [i] based on linear OA(8131, 531441, F81, 11) (dual of [531441, 531410, 12]-code), using
- an extension Ce(10) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,10], and designed minimum distance d ≥ |I|+1 = 11 [i]
- OOA 5-folding and stacking with additional row [i] based on linear OA(8131, 531441, F81, 11) (dual of [531441, 531410, 12]-code), using
- net defined by OOA [i] based on linear OOA(8131, 106288, F81, 11, 11) (dual of [(106288, 11), 1169137, 12]-NRT-code), using
- digital (0, 0, 106288)-net over F81, using
- generalized (u, u+v)-construction [i] based on
(74−11, 74, large)-Net in Base 81 — Upper bound on s
There is no (63, 74, large)-net in base 81, because
- 9 times m-reduction [i] would yield (63, 65, large)-net in base 81, but