Information on Result #735986

Linear OA(25651, 66056, F256, 19) (dual of [66056, 66005, 20]-code), using (u, u+v)-construction based on
  1. linear OA(25613, 514, F256, 9) (dual of [514, 501, 10]-code), using
  2. linear OA(25638, 65542, F256, 19) (dual of [65542, 65504, 20]-code), using
    • construction X applied to C([0,9]) ⊂ C([0,8]) [i] based on
      1. linear OA(25637, 65537, F256, 19) (dual of [65537, 65500, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
      2. linear OA(25633, 65537, F256, 17) (dual of [65537, 65504, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
      3. linear OA(2561, 5, F256, 1) (dual of [5, 4, 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(25651, 33028, F256, 2, 19) (dual of [(33028, 2), 66005, 20]-NRT-code) [i]OOA Folding