Information on Result #679443

Linear OA(4224, 4128, F4, 48) (dual of [4128, 3904, 49]-code), using construction X applied to C([0,24]) ⊂ C([0,21]) 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(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]
  3. linear OA(47, 31, F4, 4) (dual of [31, 24, 5]-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(4224, 2064, F4, 2, 48) (dual of [(2064, 2), 3904, 49]-NRT-code) [i]OOA Folding
2Linear OOA(4224, 1376, F4, 3, 48) (dual of [(1376, 3), 3904, 49]-NRT-code) [i]