Information on Result #735595

Linear OA(12869, 16776, F128, 24) (dual of [16776, 16707, 25]-code), using (u, u+v)-construction based on
  1. linear OA(12822, 390, F128, 12) (dual of [390, 368, 13]-code), using
    • construction XX applied to C1 = C([378,7]), C2 = C([0,8]), C3 = C1 + C2 = C([0,7]), and C∩ = C1 ∩ C2 = C([378,8]) [i] based on
      1. linear OA(12818, 381, F128, 11) (dual of [381, 363, 12]-code), using the BCH-code C(I) with length 381 | 1282−1, defining interval I = {−3,−2,…,7}, and designed minimum distance d ≥ |I|+1 = 12 [i]
      2. linear OA(12815, 381, F128, 9) (dual of [381, 366, 10]-code), using the expurgated narrow-sense BCH-code C(I) with length 381 | 1282−1, defining interval I = [0,8], and designed minimum distance d ≥ |I|+1 = 10 [i]
      3. linear OA(12820, 381, F128, 12) (dual of [381, 361, 13]-code), using the BCH-code C(I) with length 381 | 1282−1, defining interval I = {−3,−2,…,8}, and designed minimum distance d ≥ |I|+1 = 13 [i]
      4. linear OA(12813, 381, F128, 8) (dual of [381, 368, 9]-code), using the expurgated narrow-sense BCH-code C(I) with length 381 | 1282−1, defining interval I = [0,7], and designed minimum distance d ≥ |I|+1 = 9 [i]
      5. linear OA(1282, 7, F128, 2) (dual of [7, 5, 3]-code or 7-arc in PG(1,128)), using
      6. linear OA(1280, 2, F128, 0) (dual of [2, 2, 1]-code), using
  2. linear OA(12847, 16386, F128, 24) (dual of [16386, 16339, 25]-code), using
    • construction X applied to Ce(23) ⊂ Ce(22) [i] based on
      1. linear OA(12847, 16384, F128, 24) (dual of [16384, 16337, 25]-code), using an extension Ce(23) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,23], and designed minimum distance d ≥ |I|+1 = 24 [i]
      2. linear OA(12845, 16384, F128, 23) (dual of [16384, 16339, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 16383 = 1282−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
      3. linear OA(1280, 2, F128, 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 OOA(12869, 8388, F128, 2, 24) (dual of [(8388, 2), 16707, 25]-NRT-code) [i]OOA Folding
2Linear OOA(12869, 5592, F128, 3, 24) (dual of [(5592, 3), 16707, 25]-NRT-code) [i]