Information on Result #732789

Linear OA(2569, 15699, F25, 19) (dual of [15699, 15630, 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(2556, 15633, F25, 19) (dual of [15633, 15577, 20]-code), using
    • construction X applied to C([0,9]) ⊂ C([0,8]) [i] based on
      1. linear OA(2555, 15626, F25, 19) (dual of [15626, 15571, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 15626 | 256−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
      2. linear OA(2549, 15626, F25, 17) (dual of [15626, 15577, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 15626 | 256−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
      3. linear OA(251, 7, F25, 1) (dual of [7, 6, 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(2569, 7849, F25, 2, 19) (dual of [(7849, 2), 15629, 20]-NRT-code) [i]OOA Folding
2Linear OOA(2569, 1744, F25, 19, 19) (dual of [(1744, 19), 33067, 20]-NRT-code) [i]OOA Folding and Stacking with Additional Row