Information on Result #735102

Linear OA(6447, 262464, F64, 13) (dual of [262464, 262417, 14]-code), using (u, u+v)-construction based on
  1. linear OA(6410, 317, F64, 6) (dual of [317, 307, 7]-code), using
  2. linear OA(6437, 262147, F64, 13) (dual of [262147, 262110, 14]-code), using
    • construction X applied to Ce(12) ⊂ Ce(11) [i] based on
      1. linear OA(6437, 262144, F64, 13) (dual of [262144, 262107, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
      2. linear OA(6434, 262144, F64, 12) (dual of [262144, 262110, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
      3. linear OA(640, 3, F64, 0) (dual of [3, 3, 1]-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(6447, 131232, F64, 2, 13) (dual of [(131232, 2), 262417, 14]-NRT-code) [i]OOA Folding
2Linear OOA(6447, 87488, F64, 3, 13) (dual of [(87488, 3), 262417, 14]-NRT-code) [i]