Information on Result #714143

Linear OA(7109, 357, F7, 41) (dual of [357, 248, 42]-code), using construction XX applied to C1 = C([339,35]), C2 = C([0,37]), C3 = C1 + C2 = C([0,35]), and C∩ = C1 ∩ C2 = C([339,37]) based on
  1. linear OA(7100, 342, F7, 39) (dual of [342, 242, 40]-code), using the primitive BCH-code C(I) with length 342 = 73−1, defining interval I = {−3,−2,…,35}, and designed minimum distance d ≥ |I|+1 = 40 [i]
  2. linear OA(797, 342, F7, 38) (dual of [342, 245, 39]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 342 = 73−1, defining interval I = [0,37], and designed minimum distance d ≥ |I|+1 = 39 [i]
  3. linear OA(7106, 342, F7, 41) (dual of [342, 236, 42]-code), using the primitive BCH-code C(I) with length 342 = 73−1, defining interval I = {−3,−2,…,37}, and designed minimum distance d ≥ |I|+1 = 42 [i]
  4. linear OA(791, 342, F7, 36) (dual of [342, 251, 37]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 342 = 73−1, defining interval I = [0,35], and designed minimum distance d ≥ |I|+1 = 37 [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, 119, F7, 3, 41) (dual of [(119, 3), 248, 42]-NRT-code) [i]OOA Folding