Information on Result #723525
Linear OA(2560, 656, F25, 26) (dual of [656, 596, 27]-code), using construction XX applied to C1 = C([4,26]), C2 = C([1,16]), C3 = C1 + C2 = C([4,16]), and C∩ = C1 ∩ C2 = C([1,26]) based on
- linear OA(2545, 624, F25, 23) (dual of [624, 579, 24]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {4,5,…,26}, and designed minimum distance d ≥ |I|+1 = 24 [i]
- linear OA(2532, 624, F25, 16) (dual of [624, 592, 17]-code), using the primitive narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(2549, 624, F25, 26) (dual of [624, 575, 27]-code), using the primitive narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [1,26], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(2526, 624, F25, 13) (dual of [624, 598, 14]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {4,5,…,16}, and designed minimum distance d ≥ |I|+1 = 14 [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(252, 6, F25, 2) (dual of [6, 4, 3]-code or 6-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(2560, 328, F25, 2, 26) (dual of [(328, 2), 596, 27]-NRT-code) | [i] | OOA Folding | |