Information on Result #720041

Linear OA(985, 742, F9, 31) (dual of [742, 657, 32]-code), using construction XX applied to C1 = C([725,25]), C2 = C([0,27]), C3 = C1 + C2 = C([0,25]), and C∩ = C1 ∩ C2 = C([725,27]) based on
  1. linear OA(979, 728, F9, 29) (dual of [728, 649, 30]-code), using the primitive BCH-code C(I) with length 728 = 93−1, defining interval I = {−3,−2,…,25}, and designed minimum distance d ≥ |I|+1 = 30 [i]
  2. linear OA(973, 728, F9, 28) (dual of [728, 655, 29]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 93−1, defining interval I = [0,27], and designed minimum distance d ≥ |I|+1 = 29 [i]
  3. linear OA(982, 728, F9, 31) (dual of [728, 646, 32]-code), using the primitive BCH-code C(I) with length 728 = 93−1, defining interval I = {−3,−2,…,27}, and designed minimum distance d ≥ |I|+1 = 32 [i]
  4. linear OA(970, 728, F9, 26) (dual of [728, 658, 27]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 93−1, defining interval I = [0,25], and designed minimum distance d ≥ |I|+1 = 27 [i]
  5. linear OA(92, 10, F9, 2) (dual of [10, 8, 3]-code or 10-arc in PG(1,9)), using
  6. linear OA(91, 4, F9, 1) (dual of [4, 3, 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(985, 371, F9, 2, 31) (dual of [(371, 2), 657, 32]-NRT-code) [i]OOA Folding