Information on Result #735955

Linear OA(25653, 65802, F256, 21) (dual of [65802, 65749, 22]-code), using (u, u+v)-construction based on
  1. linear OA(25611, 260, F256, 10) (dual of [260, 249, 11]-code), using
  2. linear OA(25642, 65542, F256, 21) (dual of [65542, 65500, 22]-code), using
    • construction X applied to C([0,10]) ⊂ C([0,9]) [i] based on
      1. linear OA(25641, 65537, F256, 21) (dual of [65537, 65496, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
      2. 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]
      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(25653, 32901, F256, 2, 21) (dual of [(32901, 2), 65749, 22]-NRT-code) [i]OOA Folding
2Linear OOA(25653, 21934, F256, 3, 21) (dual of [(21934, 3), 65749, 22]-NRT-code) [i]