Information on Result #732728

Linear OA(2556, 697, F25, 21) (dual of [697, 641, 22]-code), using (u, u+v)-construction based on
  1. linear OA(2514, 66, F25, 10) (dual of [66, 52, 11]-code), using
  2. linear OA(2542, 631, F25, 21) (dual of [631, 589, 22]-code), using
    • construction X applied to C([0,10]) ⊂ C([0,9]) [i] based on
      1. linear OA(2541, 626, F25, 21) (dual of [626, 585, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 626 | 254−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
      2. linear OA(2537, 626, F25, 19) (dual of [626, 589, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 626 | 254−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
      3. linear OA(251, 5, F25, 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

None.