Information on Result #679558

Linear OA(4251, 4187, F4, 49) (dual of [4187, 3936, 50]-code), using construction X applied to C([0,24]) ⊂ C([0,17]) based on
  1. linear OA(4217, 4097, F4, 49) (dual of [4097, 3880, 50]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 412−1, defining interval I = [0,24], and minimum distance d ≥ |{−24,−23,…,24}|+1 = 50 (BCH-bound) [i]
  2. linear OA(4157, 4097, F4, 35) (dual of [4097, 3940, 36]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 412−1, defining interval I = [0,17], and minimum distance d ≥ |{−17,−16,…,17}|+1 = 36 (BCH-bound) [i]
  3. linear OA(434, 90, F4, 13) (dual of [90, 56, 14]-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(4251, 2093, F4, 2, 49) (dual of [(2093, 2), 3935, 50]-NRT-code) [i]OOA Folding
2Linear OOA(4251, 1395, F4, 3, 49) (dual of [(1395, 3), 3934, 50]-NRT-code) [i]