Information on Result #646542
Linear OA(2585, 140, F25, 68) (dual of [140, 55, 69]-code), using construction X applied to AG(F,56P) ⊂ AG(F,64P) based on
- linear OA(2578, 125, F25, 68) (dual of [125, 47, 69]-code), using algebraic-geometric code AG(F,56P) [i] based on function field F/F25 with g(F) = 10 and N(F) ≥ 126, using
- the Hermitian function field over F25 [i]
- linear OA(2570, 125, F25, 60) (dual of [125, 55, 61]-code), using algebraic-geometric code AG(F,64P) [i] based on function field F/F25 with g(F) = 10 and N(F) ≥ 126 (see above)
- linear OA(257, 15, F25, 7) (dual of [15, 8, 8]-code or 15-arc in PG(6,25)), using
- discarding factors / shortening the dual code based on linear OA(257, 25, F25, 7) (dual of [25, 18, 8]-code or 25-arc in PG(6,25)), using
- Reed–Solomon code RS(18,25) [i]
- discarding factors / shortening the dual code based on linear OA(257, 25, F25, 7) (dual of [25, 18, 8]-code or 25-arc in PG(6,25)), 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:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(2585, 70, F25, 2, 68) (dual of [(70, 2), 55, 69]-NRT-code) | [i] | OOA Folding | |