Best Known (74, 74+26, s)-Nets in Base 3
(74, 74+26, 246)-Net over F3 — Constructive and digital
Digital (74, 100, 246)-net over F3, using
- 31 times duplication [i] based on digital (73, 99, 246)-net over F3, using
- trace code for nets [i] based on digital (7, 33, 82)-net over F27, using
- net from sequence [i] based on digital (7, 81)-sequence over F27, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F27 with g(F) = 7 and N(F) ≥ 82, using
- net from sequence [i] based on digital (7, 81)-sequence over F27, using
- trace code for nets [i] based on digital (7, 33, 82)-net over F27, using
(74, 74+26, 425)-Net over F3 — Digital
Digital (74, 100, 425)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(3100, 425, F3, 26) (dual of [425, 325, 27]-code), using
- 324 step Varšamov–Edel lengthening with (ri) = (9, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 5 times 0, 1, 5 times 0, 1, 6 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0, 1, 9 times 0, 1, 9 times 0, 1, 10 times 0, 1, 10 times 0, 1, 11 times 0, 1, 12 times 0, 1, 12 times 0, 1, 13 times 0, 1, 14 times 0, 1, 14 times 0, 1, 15 times 0, 1, 16 times 0) [i] based on linear OA(326, 27, F3, 26) (dual of [27, 1, 27]-code or 27-arc in PG(25,3)), using
- dual of repetition code with length 27 [i]
- 324 step Varšamov–Edel lengthening with (ri) = (9, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 5 times 0, 1, 5 times 0, 1, 6 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0, 1, 9 times 0, 1, 9 times 0, 1, 10 times 0, 1, 10 times 0, 1, 11 times 0, 1, 12 times 0, 1, 12 times 0, 1, 13 times 0, 1, 14 times 0, 1, 14 times 0, 1, 15 times 0, 1, 16 times 0) [i] based on linear OA(326, 27, F3, 26) (dual of [27, 1, 27]-code or 27-arc in PG(25,3)), using
(74, 74+26, 13247)-Net in Base 3 — Upper bound on s
There is no (74, 100, 13248)-net in base 3, because
- the generalized Rao bound for nets shows that 3m ≥ 515687 047718 720797 566149 759875 322255 166560 652161 > 3100 [i]