Information on Result #724272
Linear OA(2582, 657, F25, 38) (dual of [657, 575, 39]-code), using construction XX applied to C1 = C([615,25]), C2 = C([0,28]), C3 = C1 + C2 = C([0,25]), and C∩ = C1 ∩ C2 = C([615,28]) based on
- linear OA(2567, 624, F25, 35) (dual of [624, 557, 36]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {−9,−8,…,25}, and designed minimum distance d ≥ |I|+1 = 36 [i]
- linear OA(2554, 624, F25, 29) (dual of [624, 570, 30]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [0,28], and designed minimum distance d ≥ |I|+1 = 30 [i]
- linear OA(2572, 624, F25, 38) (dual of [624, 552, 39]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {−9,−8,…,28}, and designed minimum distance d ≥ |I|+1 = 39 [i]
- linear OA(2549, 624, F25, 26) (dual of [624, 575, 27]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [0,25], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(258, 26, F25, 8) (dual of [26, 18, 9]-code or 26-arc in PG(7,25)), using
- extended Reed–Solomon code RSe(18,25) [i]
- algebraic-geometric code AG(F, Q+7P) with degQ = 3 and degPÂ =Â 2 [i] based on function field F/F25 with g(F) = 0 and N(F) ≥ 26, using the rational function field F25(x) [i]
- algebraic-geometric code AG(F, Q+5P) with degQ = 2 and degPÂ =Â 3 [i] based on function field F/F25 with g(F) = 0 and N(F) ≥ 26 (see above)
- linear OA(252, 7, F25, 2) (dual of [7, 5, 3]-code or 7-arc in PG(1,25)), using
- discarding factors / shortening the dual code based on linear OA(252, 25, F25, 2) (dual of [25, 23, 3]-code or 25-arc in PG(1,25)), using
- Reed–Solomon code RS(23,25) [i]
- discarding factors / shortening the dual code based on linear OA(252, 25, F25, 2) (dual of [25, 23, 3]-code or 25-arc in PG(1,25)), 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(2582, 328, F25, 2, 38) (dual of [(328, 2), 574, 39]-NRT-code) | [i] | OOA Folding | |