Information on Result #730851

Linear OA(25642, 775, F256, 25) (dual of [775, 733, 26]-code), using construction XX applied to C1 = C([117,140]), C2 = C([116,139]), C3 = C1 + C2 = C([117,139]), and C∩ = C1 ∩ C2 = C([116,140]) based on
  1. linear OA(25640, 771, F256, 24) (dual of [771, 731, 25]-code), using the BCH-code C(I) with length 771 | 2562−1, defining interval I = {117,118,…,140}, and designed minimum distance d ≥ |I|+1 = 25 [i]
  2. linear OA(25640, 771, F256, 24) (dual of [771, 731, 25]-code), using the BCH-code C(I) with length 771 | 2562−1, defining interval I = {116,117,…,139}, and designed minimum distance d ≥ |I|+1 = 25 [i]
  3. linear OA(25642, 771, F256, 25) (dual of [771, 729, 26]-code), using the BCH-code C(I) with length 771 | 2562−1, defining interval I = {116,117,…,140}, and designed minimum distance d ≥ |I|+1 = 26 [i]
  4. linear OA(25638, 771, F256, 23) (dual of [771, 733, 24]-code), using the BCH-code C(I) with length 771 | 2562−1, defining interval I = {117,118,…,139}, and designed minimum distance d ≥ |I|+1 = 24 [i]
  5. linear OA(2560, 2, F256, 0) (dual of [2, 2, 1]-code), using
  6. linear OA(2560, 2, F256, 0) (dual of [2, 2, 1]-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
1OA(12848, 775, S128, 25) [i]Discarding Parts of the Base for OAs