Information on Result #734783

Linear OA(6483, 4280, F64, 30) (dual of [4280, 4197, 31]-code), using (u, u+v)-construction based on
  1. linear OA(6423, 179, F64, 15) (dual of [179, 156, 16]-code), using
  2. linear OA(6460, 4101, F64, 30) (dual of [4101, 4041, 31]-code), using
    • construction X applied to Ce(29) ⊂ Ce(27) [i] based on
      1. linear OA(6459, 4096, F64, 30) (dual of [4096, 4037, 31]-code), using an extension Ce(29) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,29], and designed minimum distance d ≥ |I|+1 = 30 [i]
      2. linear OA(6455, 4096, F64, 28) (dual of [4096, 4041, 29]-code), using an extension Ce(27) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,27], and designed minimum distance d ≥ |I|+1 = 28 [i]
      3. linear OA(641, 5, F64, 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

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(6483, 2140, F64, 2, 30) (dual of [(2140, 2), 4197, 31]-NRT-code) [i]OOA Folding