Information on Result #729894

Linear OA(6437, 587, F64, 20) (dual of [587, 550, 21]-code), using construction X applied to C([55,74]) ⊂ C([56,74]) based on
  1. linear OA(6437, 585, F64, 20) (dual of [585, 548, 21]-code), using the BCH-code C(I) with length 585 | 642−1, defining interval I = {55,56,…,74}, and designed minimum distance d ≥ |I|+1 = 21 [i]
  2. linear OA(6435, 585, F64, 19) (dual of [585, 550, 20]-code), using the BCH-code C(I) with length 585 | 642−1, defining interval I = {56,57,…,74}, and designed minimum distance d ≥ |I|+1 = 20 [i]
  3. linear OA(640, 2, F64, 0) (dual of [2, 2, 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(6437, 293, F64, 2, 20) (dual of [(293, 2), 549, 21]-NRT-code) [i]OOA Folding