Information on Result #672882

Linear OA(2248, 2065, F2, 45) (dual of [2065, 1817, 46]-code), using construction X applied to C([0,22]) ⊂ C([0,20]) based on
  1. linear OA(2243, 2049, F2, 45) (dual of [2049, 1806, 46]-code), using the expurgated narrow-sense BCH-code C(I) with length 2049 | 222−1, defining interval I = [0,22], and minimum distance d ≥ |{−22,−21,…,22}|+1 = 46 (BCH-bound) [i]
  2. linear OA(2221, 2049, F2, 41) (dual of [2049, 1828, 42]-code), using the expurgated narrow-sense BCH-code C(I) with length 2049 | 222−1, defining interval I = [0,20], and minimum distance d ≥ |{−20,−19,…,20}|+1 = 42 (BCH-bound) [i]
  3. linear OA(25, 16, F2, 3) (dual of [16, 11, 4]-code or 16-cap in PG(4,2)), 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 OA(2247, 2064, F2, 44) (dual of [2064, 1817, 45]-code) [i]Truncation
2Linear OOA(2248, 413, F2, 5, 45) (dual of [(413, 5), 1817, 46]-NRT-code) [i]OOA Folding
3Linear OOA(2248, 344, F2, 6, 45) (dual of [(344, 6), 1816, 46]-NRT-code) [i]
4Linear OOA(2248, 295, F2, 7, 45) (dual of [(295, 7), 1817, 46]-NRT-code) [i]
5Linear OOA(2248, 258, F2, 8, 45) (dual of [(258, 8), 1816, 46]-NRT-code) [i]