Information on Result #725977

Linear OA(2739, 732, F27, 20) (dual of [732, 693, 21]-code), using construction XX applied to C1 = C([727,17]), C2 = C([0,18]), C3 = C1 + C2 = C([0,17]), and C∩ = C1 ∩ C2 = C([727,18]) based on
  1. linear OA(2737, 728, F27, 19) (dual of [728, 691, 20]-code), using the primitive BCH-code C(I) with length 728 = 272−1, defining interval I = {−1,0,…,17}, and designed minimum distance d ≥ |I|+1 = 20 [i]
  2. linear OA(2737, 728, F27, 19) (dual of [728, 691, 20]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 272−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
  3. linear OA(2739, 728, F27, 20) (dual of [728, 689, 21]-code), using the primitive BCH-code C(I) with length 728 = 272−1, defining interval I = {−1,0,…,18}, and designed minimum distance d ≥ |I|+1 = 21 [i]
  4. linear OA(2735, 728, F27, 18) (dual of [728, 693, 19]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 272−1, defining interval I = [0,17], and designed minimum distance d ≥ |I|+1 = 19 [i]
  5. linear OA(270, 2, F27, 0) (dual of [2, 2, 1]-code), using
  6. linear OA(270, 2, F27, 0) (dual of [2, 2, 1]-code) (see above)

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 OA(2750, 770, F27, 20) (dual of [770, 720, 21]-code) [i](u, u+v)-Construction
2Linear OA(2751, 780, F27, 20) (dual of [780, 729, 21]-code) [i]
3Linear OA(2752, 784, F27, 20) (dual of [784, 732, 21]-code) [i]
4Linear OA(2753, 796, F27, 20) (dual of [796, 743, 21]-code) [i]
5Linear OA(2754, 800, F27, 20) (dual of [800, 746, 21]-code) [i]
6Linear OA(2755, 808, F27, 20) (dual of [808, 753, 21]-code) [i]
7Linear OA(2756, 839, F27, 20) (dual of [839, 783, 21]-code) [i]
8Linear OA(2744, 762, F27, 20) (dual of [762, 718, 21]-code) [i]VarÅ¡amov–Edel Lengthening
9Linear OA(2745, 811, F27, 20) (dual of [811, 766, 21]-code) [i]
10Linear OA(2746, 913, F27, 20) (dual of [913, 867, 21]-code) [i]
11Linear OA(2747, 1071, F27, 20) (dual of [1071, 1024, 21]-code) [i]
12Linear OA(2748, 1270, F27, 20) (dual of [1270, 1222, 21]-code) [i]
13Linear OOA(2739, 366, F27, 2, 20) (dual of [(366, 2), 693, 21]-NRT-code) [i]OOA Folding