Information on Result #735039

Linear OA(6443, 4182, F64, 17) (dual of [4182, 4139, 18]-code), using (u, u+v)-construction based on
  1. linear OA(649, 80, F64, 8) (dual of [80, 71, 9]-code), using
  2. linear OA(6434, 4102, F64, 17) (dual of [4102, 4068, 18]-code), using
    • construction X applied to C([0,8]) ⊂ C([0,7]) [i] based on
      1. linear OA(6433, 4097, F64, 17) (dual of [4097, 4064, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
      2. linear OA(6429, 4097, F64, 15) (dual of [4097, 4068, 16]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,7], and minimum distance d ≥ |{−7,−6,…,7}|+1 = 16 (BCH-bound) [i]
      3. linear OA(641, 5, F64, 1) (dual of [5, 4, 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(6443, 2091, F64, 2, 17) (dual of [(2091, 2), 4139, 18]-NRT-code) [i]OOA Folding
2Linear OOA(6443, 1394, F64, 3, 17) (dual of [(1394, 3), 4139, 18]-NRT-code) [i]