MinT - Best Known (21, 61, s)-Nets in Base 64

Best Known (21, 61, s)-Nets in Base 64

(21, 61, 177)-Net over F₆₄ — Constructive and digital

Digital (21, 61, 177)-net over F₆₄, using

t-expansion [i] based on digital (7, 61, 177)-net over F₆₄, using
- net from sequence [i] based on digital (7, 176)-sequence over F₆₄, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₆₄ with g(F) = 7 and N(F) ≥ 177, using
    - a function field by GarcÃa and Quoos [i]

(21, 61, 288)-Net in Base 64 — Constructive

(21, 61, 288)-net in base 64, using

23 times m-reduction [i] based on (21, 84, 288)-net in base 64, using
- base change [i] based on digital (9, 72, 288)-net over F₁₂₈, using
  - net from sequence [i] based on digital (9, 287)-sequence over F₁₂₈, using
    - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₁₂₈ with g(F) = 9 and N(F) ≥ 288, using
      - a function field by SÃ©mirat [i]

(21, 61, 342)-Net over F₆₄ — Digital

Digital (21, 61, 342)-net over F₆₄, using

t-expansion [i] based on digital (20, 61, 342)-net over F₆₄, using
- net from sequence [i] based on digital (20, 341)-sequence over F₆₄, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₆₄ with g(F) = 20 and N(F) ≥ 342, using
    - a curve from the manYPoints database [i]

(21, 61, 42531)-Net in Base 64 — Upper bound on s

There is no (21, 61, 42532)-net in base 64, because

the generalized Rao bound for nets shows that 64^mÂ â‰¥ 150 316644 761083 516943 322126 244633 528783 116667 391961 395965 832040 837473 975238 849983 785264 138436 329438 722620 387704 > 64⁶¹ [i]