Information on Result #679547

Linear OA(4212, 4162, F4, 43) (dual of [4162, 3950, 44]-code), using construction X applied to C([0,21]) ⊂ C([0,16]) based on
  1. linear OA(4193, 4097, F4, 43) (dual of [4097, 3904, 44]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 412−1, defining interval I = [0,21], and minimum distance d ≥ |{−21,−20,…,21}|+1 = 44 (BCH-bound) [i]
  2. linear OA(4145, 4097, F4, 33) (dual of [4097, 3952, 34]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 412−1, defining interval I = [0,16], and minimum distance d ≥ |{−16,−15,…,16}|+1 = 34 (BCH-bound) [i]
  3. linear OA(419, 65, F4, 9) (dual of [65, 46, 10]-code), using
    • the expurgated narrow-sense BCH-code C(I) with length 65 | 46−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [i]

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(4212, 2081, F4, 2, 43) (dual of [(2081, 2), 3950, 44]-NRT-code) [i]OOA Folding
2Linear OOA(4212, 1387, F4, 3, 43) (dual of [(1387, 3), 3949, 44]-NRT-code) [i]