Information on Result #712578

Linear OA(756, 130, F7, 23) (dual of [130, 74, 24]-code), using construction XX applied to C1 = C([0,19]), C2 = C([5,22]), C3 = C1 + C2 = C([5,19]), and C∩ = C1 ∩ C2 = C([0,22]) based on
  1. linear OA(744, 114, F7, 20) (dual of [114, 70, 21]-code), using the expurgated narrow-sense BCH-code C(I) with length 114 | 73−1, defining interval I = [0,19], and designed minimum distance d ≥ |I|+1 = 21 [i]
  2. linear OA(746, 114, F7, 18) (dual of [114, 68, 19]-code), using the BCH-code C(I) with length 114 | 73−1, defining interval I = {5,6,…,22}, and designed minimum distance d ≥ |I|+1 = 19 [i]
  3. linear OA(750, 114, F7, 23) (dual of [114, 64, 24]-code), using the expurgated narrow-sense BCH-code C(I) with length 114 | 73−1, defining interval I = [0,22], and designed minimum distance d ≥ |I|+1 = 24 [i]
  4. linear OA(737, 114, F7, 15) (dual of [114, 77, 16]-code), using the BCH-code C(I) with length 114 | 73−1, defining interval I = {5,6,…,19}, and designed minimum distance d ≥ |I|+1 = 16 [i]
  5. linear OA(74, 8, F7, 4) (dual of [8, 4, 5]-code or 8-arc in PG(3,7)), using
  6. linear OA(72, 8, F7, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,7)), 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(756, 65, F7, 2, 23) (dual of [(65, 2), 74, 24]-NRT-code) [i]OOA Folding