Information on Result #658152

Linear OA(25632, 280, F256, 21) (dual of [280, 248, 22]-code), using construction X applied to AG(FQ+116P) ⊂ AG(FQ+122P) based on
  1. linear OA(25621, 257, F256, 21) (dual of [257, 236, 22]-code or 257-arc in PG(20,256)), using algebraic-geometric code AG(FQ+116P) 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(2569, 257, F256, 9) (dual of [257, 248, 10]-code or 257-arc in PG(8,256)), using algebraic-geometric code AG(FQ+122P) with degQ = 3 and degP = 2 [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257 (see above)
  3. linear OA(25611, 23, F256, 11) (dual of [23, 12, 12]-code or 23-arc in PG(10,256)), 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

None.