Information on Result #735891

Linear OA(25665, 65808, F256, 25) (dual of [65808, 65743, 26]-code), using (u, u+v)-construction based on
  1. linear OA(25613, 260, F256, 12) (dual of [260, 247, 13]-code), using
  2. linear OA(25652, 65548, F256, 25) (dual of [65548, 65496, 26]-code), using
    • construction X applied to C([0,12]) ⊂ C([0,10]) [i] based on
      1. linear OA(25649, 65537, F256, 25) (dual of [65537, 65488, 26]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537 | 2564−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
      2. 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]
      3. linear OA(2563, 11, F256, 3) (dual of [11, 8, 4]-code or 11-arc in PG(2,256) or 11-cap in PG(2,256)), 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(25665, 32904, F256, 2, 25) (dual of [(32904, 2), 65743, 26]-NRT-code) [i]OOA Folding
2Linear OOA(25665, 21936, F256, 3, 25) (dual of [(21936, 3), 65743, 26]-NRT-code) [i]