Information on Result #735104

Linear OA(6445, 262232, F64, 13) (dual of [262232, 262187, 14]-code), using (u, u+v)-construction based on
  1. linear OA(647, 80, F64, 6) (dual of [80, 73, 7]-code), using
  2. linear OA(6438, 262152, F64, 13) (dual of [262152, 262114, 14]-code), using
    • construction X applied to C([0,6]) ⊂ C([0,5]) [i] based on
      1. linear OA(6437, 262145, F64, 13) (dual of [262145, 262108, 14]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
      2. linear OA(6431, 262145, F64, 11) (dual of [262145, 262114, 12]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,5], and minimum distance d ≥ |{−5,−4,…,5}|+1 = 12 (BCH-bound) [i]
      3. linear OA(641, 7, F64, 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(6445, 131116, F64, 2, 13) (dual of [(131116, 2), 262187, 14]-NRT-code) [i]OOA Folding
2Linear OOA(6445, 87410, F64, 3, 13) (dual of [(87410, 3), 262185, 14]-NRT-code) [i]