Information on Result #732578

Linear OA(2568, 696, F25, 26) (dual of [696, 628, 27]-code), using (u, u+v)-construction based on
  1. linear OA(2518, 68, F25, 13) (dual of [68, 50, 14]-code), using
  2. linear OA(2550, 628, F25, 26) (dual of [628, 578, 27]-code), using
    • construction X applied to Ce(25) ⊂ Ce(23) [i] based on
      1. linear OA(2549, 625, F25, 26) (dual of [625, 576, 27]-code), using an extension Ce(25) of the primitive narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [1,25], and designed minimum distance d ≥ |I|+1 = 26 [i]
      2. linear OA(2547, 625, F25, 24) (dual of [625, 578, 25]-code), using an extension Ce(23) of the primitive narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [1,23], and designed minimum distance d ≥ |I|+1 = 24 [i]
      3. linear OA(251, 3, F25, 1) (dual of [3, 2, 2]-code) (see above)

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(2568, 348, F25, 2, 26) (dual of [(348, 2), 628, 27]-NRT-code) [i]OOA Folding