Best Known (49, 49+24, s)-Nets in Base 7
(49, 49+24, 200)-Net over F7 — Constructive and digital
Digital (49, 73, 200)-net over F7, using
- 1 times m-reduction [i] based on digital (49, 74, 200)-net over F7, using
- (u, u+v)-construction [i] based on
- digital (12, 24, 100)-net over F7, using
- trace code for nets [i] based on digital (0, 12, 50)-net over F49, using
- net from sequence [i] based on digital (0, 49)-sequence over F49, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F49 with g(F) = 0 and N(F) ≥ 50, using
- the rational function field F49(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 49)-sequence over F49, using
- trace code for nets [i] based on digital (0, 12, 50)-net over F49, using
- digital (25, 50, 100)-net over F7, using
- trace code for nets [i] based on digital (0, 25, 50)-net over F49, using
- net from sequence [i] based on digital (0, 49)-sequence over F49 (see above)
- trace code for nets [i] based on digital (0, 25, 50)-net over F49, using
- digital (12, 24, 100)-net over F7, using
- (u, u+v)-construction [i] based on
(49, 49+24, 768)-Net over F7 — Digital
Digital (49, 73, 768)-net over F7, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(773, 768, F7, 24) (dual of [768, 695, 25]-code), using
- 694 step Varšamov–Edel lengthening with (ri) = (4, 3, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 5 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 10 times 0, 1, 10 times 0, 1, 11 times 0, 1, 13 times 0, 1, 14 times 0, 1, 15 times 0, 1, 17 times 0, 1, 18 times 0, 1, 20 times 0, 1, 23 times 0, 1, 24 times 0, 1, 27 times 0, 1, 29 times 0, 1, 32 times 0, 1, 35 times 0, 1, 38 times 0, 1, 42 times 0, 1, 45 times 0, 1, 50 times 0, 1, 54 times 0, 1, 60 times 0) [i] based on linear OA(724, 25, F7, 24) (dual of [25, 1, 25]-code or 25-arc in PG(23,7)), using
- dual of repetition code with length 25 [i]
- 694 step Varšamov–Edel lengthening with (ri) = (4, 3, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 5 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 10 times 0, 1, 10 times 0, 1, 11 times 0, 1, 13 times 0, 1, 14 times 0, 1, 15 times 0, 1, 17 times 0, 1, 18 times 0, 1, 20 times 0, 1, 23 times 0, 1, 24 times 0, 1, 27 times 0, 1, 29 times 0, 1, 32 times 0, 1, 35 times 0, 1, 38 times 0, 1, 42 times 0, 1, 45 times 0, 1, 50 times 0, 1, 54 times 0, 1, 60 times 0) [i] based on linear OA(724, 25, F7, 24) (dual of [25, 1, 25]-code or 25-arc in PG(23,7)), using
(49, 49+24, 121954)-Net in Base 7 — Upper bound on s
There is no (49, 73, 121955)-net in base 7, because
- the generalized Rao bound for nets shows that 7m ≥ 49 225920 946433 457347 309797 324600 706871 231507 740744 846795 481049 > 773 [i]