Information on Result #723449

Linear OA(2557, 658, F25, 24) (dual of [658, 601, 25]-code), using construction XX applied to C1 = C([615,11]), C2 = C([0,14]), C3 = C1 + C2 = C([0,11]), and C∩ = C1 ∩ C2 = C([615,14]) based on
  1. linear OA(2541, 624, F25, 21) (dual of [624, 583, 22]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {−9,−8,…,11}, and designed minimum distance d ≥ |I|+1 = 22 [i]
  2. linear OA(2529, 624, F25, 15) (dual of [624, 595, 16]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [0,14], and designed minimum distance d ≥ |I|+1 = 16 [i]
  3. linear OA(2547, 624, F25, 24) (dual of [624, 577, 25]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {−9,−8,…,14}, and designed minimum distance d ≥ |I|+1 = 25 [i]
  4. linear OA(2523, 624, F25, 12) (dual of [624, 601, 13]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [0,11], and designed minimum distance d ≥ |I|+1 = 13 [i]
  5. linear OA(258, 26, F25, 8) (dual of [26, 18, 9]-code or 26-arc in PG(7,25)), using
  6. linear OA(252, 8, F25, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,25)), 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(2557, 329, F25, 2, 24) (dual of [(329, 2), 601, 25]-NRT-code) [i]OOA Folding