Information on Result #693799

Linear OA(2520, 637, F25, 9) (dual of [637, 617, 10]-code), using construction X applied to C([0,4]) ⊂ C([0,2]) based on
  1. linear OA(2517, 626, F25, 9) (dual of [626, 609, 10]-code), using the expurgated narrow-sense BCH-code C(I) with length 626 | 254−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [i]
  2. linear OA(259, 626, F25, 5) (dual of [626, 617, 6]-code), using the expurgated narrow-sense BCH-code C(I) with length 626 | 254−1, defining interval I = [0,2], and minimum distance d ≥ |{−2,−1,0,1,2}|+1 = 6 (BCH-bound) [i]
  3. linear OA(253, 11, F25, 3) (dual of [11, 8, 4]-code or 11-arc in PG(2,25) or 11-cap in PG(2,25)), 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:

ResultThis
result
only
Method
1Linear OOA(2520, 318, F25, 2, 9) (dual of [(318, 2), 616, 10]-NRT-code) [i]OOA Folding
2Linear OOA(2520, 159, F25, 9, 9) (dual of [(159, 9), 1411, 10]-NRT-code) [i]OOA Folding and Stacking with Additional Row