Information on Result #659626
Linear OA(556, 148, F5, 20) (dual of [148, 92, 21]-code), using trace code based on linear OA(2528, 74, F25, 20) (dual of [74, 46, 21]-code), using
- construction X applied to AG(F,44P) ⊂ AG(F,49P) [i] based on
- linear OA(2524, 65, F25, 20) (dual of [65, 41, 21]-code), using algebraic-geometric code AG(F,44P) [i] based on function field F/F25 with g(F) = 4 and N(F) ≥ 66, using
- linear OA(2519, 65, F25, 15) (dual of [65, 46, 16]-code), using algebraic-geometric code AG(F,49P) [i] based on function field F/F25 with g(F) = 4 and N(F) ≥ 66 (see above)
- linear OA(254, 9, F25, 4) (dual of [9, 5, 5]-code or 9-arc in PG(3,25)), using
- discarding factors / shortening the dual code based on linear OA(254, 25, F25, 4) (dual of [25, 21, 5]-code or 25-arc in PG(3,25)), using
- Reed–Solomon code RS(21,25) [i]
- discarding factors / shortening the dual code based on linear OA(254, 25, F25, 4) (dual of [25, 21, 5]-code or 25-arc in PG(3,25)), 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(556, 74, F5, 2, 20) (dual of [(74, 2), 92, 21]-NRT-code) | [i] | OOA Folding | |