Information on Result #713151

Linear OA(7109, 186, F7, 48) (dual of [186, 77, 49]-code), using construction XX applied to C1 = C([168,42]), C2 = C([0,44]), C3 = C1 + C2 = C([0,42]), and C∩ = C1 ∩ C2 = C([168,44]) based on
  1. linear OA(7100, 171, F7, 46) (dual of [171, 71, 47]-code), using the BCH-code C(I) with length 171 | 73−1, defining interval I = {−3,−2,…,42}, and designed minimum distance d ≥ |I|+1 = 47 [i]
  2. linear OA(7100, 171, F7, 45) (dual of [171, 71, 46]-code), using the expurgated narrow-sense BCH-code C(I) with length 171 | 73−1, defining interval I = [0,44], and designed minimum distance d ≥ |I|+1 = 46 [i]
  3. linear OA(7106, 171, F7, 48) (dual of [171, 65, 49]-code), using the BCH-code C(I) with length 171 | 73−1, defining interval I = {−3,−2,…,44}, and designed minimum distance d ≥ |I|+1 = 49 [i]
  4. linear OA(794, 171, F7, 43) (dual of [171, 77, 44]-code), using the expurgated narrow-sense BCH-code C(I) with length 171 | 73−1, defining interval I = [0,42], and designed minimum distance d ≥ |I|+1 = 44 [i]
  5. linear OA(72, 8, F7, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,7)), using
  6. linear OA(71, 7, F7, 1) (dual of [7, 6, 2]-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(7109, 93, F7, 2, 48) (dual of [(93, 2), 77, 49]-NRT-code) [i]OOA Folding
2Linear OOA(7109, 62, F7, 3, 48) (dual of [(62, 3), 77, 49]-NRT-code) [i]