Information on Result #723743
Linear OA(2568, 654, F25, 31) (dual of [654, 586, 32]-code), using construction XX applied to C1 = C([621,25]), C2 = C([7,27]), C3 = C1 + C2 = C([7,25]), and C∩ = C1 ∩ C2 = C([621,27]) based on
- linear OA(2555, 624, F25, 29) (dual of [624, 569, 30]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {−3,−2,…,25}, and designed minimum distance d ≥ |I|+1 = 30 [i]
- linear OA(2541, 624, F25, 21) (dual of [624, 583, 22]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {7,8,…,27}, and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(2558, 624, F25, 31) (dual of [624, 566, 32]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {−3,−2,…,27}, and designed minimum distance d ≥ |I|+1 = 32 [i]
- linear OA(2538, 624, F25, 19) (dual of [624, 586, 20]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {7,8,…,25}, and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(259, 26, F25, 9) (dual of [26, 17, 10]-code or 26-arc in PG(8,25)), using
- extended Reed–Solomon code RSe(17,25) [i]
- the expurgated narrow-sense BCH-code C(I) with length 26 | 252−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [i]
- algebraic-geometric code AG(F,8P) with 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+4P) with degQ = 4 and degPÂ =Â 3 [i] based on function field F/F25 with g(F) = 0 and N(F) ≥ 26 (see above)
- linear OA(251, 4, F25, 1) (dual of [4, 3, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(251, 25, F25, 1) (dual of [25, 24, 2]-code), using
- Reed–Solomon code RS(24,25) [i]
- discarding factors / shortening the dual code based on linear OA(251, 25, F25, 1) (dual of [25, 24, 2]-code), 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(2568, 327, F25, 2, 31) (dual of [(327, 2), 586, 32]-NRT-code) | [i] | OOA Folding | |