Information on Result #722912

Linear OA(2561, 316, F25, 33) (dual of [316, 255, 34]-code), using construction XX applied to C1 = C([311,30]), C2 = C([0,31]), C3 = C1 + C2 = C([0,30]), and C∩ = C1 ∩ C2 = C([311,31]) based on
  1. linear OA(2559, 312, F25, 32) (dual of [312, 253, 33]-code), using the BCH-code C(I) with length 312 | 252−1, defining interval I = {−1,0,…,30}, and designed minimum distance d ≥ |I|+1 = 33 [i]
  2. linear OA(2559, 312, F25, 32) (dual of [312, 253, 33]-code), using the expurgated narrow-sense BCH-code C(I) with length 312 | 252−1, defining interval I = [0,31], and designed minimum distance d ≥ |I|+1 = 33 [i]
  3. linear OA(2561, 312, F25, 33) (dual of [312, 251, 34]-code), using the BCH-code C(I) with length 312 | 252−1, defining interval I = {−1,0,…,31}, and designed minimum distance d ≥ |I|+1 = 34 [i]
  4. linear OA(2557, 312, F25, 31) (dual of [312, 255, 32]-code), using the expurgated narrow-sense BCH-code C(I) with length 312 | 252−1, defining interval I = [0,30], and designed minimum distance d ≥ |I|+1 = 32 [i]
  5. linear OA(250, 2, F25, 0) (dual of [2, 2, 1]-code), using
  6. linear OA(250, 2, F25, 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
1Linear OOA(2561, 158, F25, 2, 33) (dual of [(158, 2), 255, 34]-NRT-code) [i]OOA Folding