Information on Result #658492

Linear OA(25623, 266, F256, 19) (dual of [266, 243, 20]-code), using construction X applied to AG(FQ+47P) ⊂ AG(FQ+48P) based on
  1. linear OA(25619, 257, F256, 19) (dual of [257, 238, 20]-code or 257-arc in PG(18,256)), using algebraic-geometric code AG(FQ+117P) with degQ = 3 and degP = 2 [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257, using the rational function field F256(x) [i]
  2. linear OA(25614, 257, F256, 14) (dual of [257, 243, 15]-code or 257-arc in PG(13,256)), using algebraic-geometric code AG(F,121P) with degP = 2 [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257 (see above)
  3. linear OA(2564, 9, F256, 4) (dual of [9, 5, 5]-code or 9-arc in PG(3,256)), using

Mode: Constructive and linear.

Optimality

Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OA(1646, 532, F16, 19) (dual of [532, 486, 20]-code) [i]Trace Code
2OA(6431, 266, S64, 19) [i]Discarding Parts of the Base for OAs
3OA(12827, 266, S128, 19) [i]