Information on Result #646412
Linear OA(2564, 136, F25, 49) (dual of [136, 72, 50]-code), using construction X applied to AG(F,75P) ⊂ AG(F,81P) based on
- linear OA(2559, 125, F25, 49) (dual of [125, 66, 50]-code), using algebraic-geometric code AG(F,75P) [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(2553, 125, F25, 43) (dual of [125, 72, 44]-code), using algebraic-geometric code AG(F,81P) [i] based on function field F/F25 with g(F) = 10 and N(F) ≥ 126 (see above)
- linear OA(255, 11, F25, 5) (dual of [11, 6, 6]-code or 11-arc in PG(4,25)), using
- discarding factors / shortening the dual code based on linear OA(255, 25, F25, 5) (dual of [25, 20, 6]-code or 25-arc in PG(4,25)), using
- Reed–Solomon code RS(20,25) [i]
- discarding factors / shortening the dual code based on linear OA(255, 25, F25, 5) (dual of [25, 20, 6]-code or 25-arc in PG(4,25)), 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 OA(5128, 272, F5, 49) (dual of [272, 144, 50]-code) | [i] | Trace Code | |
| 2 | Linear OOA(2564, 68, F25, 2, 49) (dual of [(68, 2), 72, 50]-NRT-code) | [i] | OOA Folding | |