Information on Result #732796

Linear OA(2587, 390701, F25, 19) (dual of [390701, 390614, 20]-code), using (u, u+v)-construction based on
  1. linear OA(2513, 66, F25, 9) (dual of [66, 53, 10]-code), using
  2. linear OA(2574, 390635, F25, 19) (dual of [390635, 390561, 20]-code), using
    • construction X applied to C([0,9]) ⊂ C([0,8]) [i] based on
      1. linear OA(2573, 390626, F25, 19) (dual of [390626, 390553, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 390626 | 258−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
      2. linear OA(2565, 390626, F25, 17) (dual of [390626, 390561, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 390626 | 258−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
      3. linear OA(251, 9, F25, 1) (dual of [9, 8, 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:

ResultThis
result
only
Method
1Linear OOA(2587, 195350, F25, 2, 19) (dual of [(195350, 2), 390613, 20]-NRT-code) [i]OOA Folding
2Linear OOA(2587, 43411, F25, 19, 19) (dual of [(43411, 19), 824722, 20]-NRT-code) [i]OOA Folding and Stacking with Additional Row