Information on Result #730533

Linear OA(12845, 390, F128, 26) (dual of [390, 345, 27]-code), using construction XX applied to C1 = C([378,21]), C2 = C([0,22]), C3 = C1 + C2 = C([0,21]), and C∩ = C1 ∩ C2 = C([378,22]) based on
  1. linear OA(12841, 381, F128, 25) (dual of [381, 340, 26]-code), using the BCH-code C(I) with length 381 | 1282−1, defining interval I = {−3,−2,…,21}, and designed minimum distance d ≥ |I|+1 = 26 [i]
  2. linear OA(12838, 381, F128, 23) (dual of [381, 343, 24]-code), using the expurgated narrow-sense BCH-code C(I) with length 381 | 1282−1, defining interval I = [0,22], and designed minimum distance d ≥ |I|+1 = 24 [i]
  3. linear OA(12843, 381, F128, 26) (dual of [381, 338, 27]-code), using the BCH-code C(I) with length 381 | 1282−1, defining interval I = {−3,−2,…,22}, and designed minimum distance d ≥ |I|+1 = 27 [i]
  4. linear OA(12836, 381, F128, 22) (dual of [381, 345, 23]-code), using the expurgated narrow-sense BCH-code C(I) with length 381 | 1282−1, defining interval I = [0,21], and designed minimum distance d ≥ |I|+1 = 23 [i]
  5. linear OA(1282, 7, F128, 2) (dual of [7, 5, 3]-code or 7-arc in PG(1,128)), using
  6. linear OA(1280, 2, F128, 0) (dual of [2, 2, 1]-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(12845, 195, F128, 2, 26) (dual of [(195, 2), 345, 27]-NRT-code) [i]OOA Folding