Information on Result #2260233
Linear OA(2248, 4128, F2, 40) (dual of [4128, 3880, 41]-code), using 2 times code embedding in larger space based on linear OA(2246, 4126, F2, 40) (dual of [4126, 3880, 41]-code), using
- 1 times truncation [i] based on linear OA(2247, 4127, F2, 41) (dual of [4127, 3880, 42]-code), using
- construction X applied to C([0,20]) ⊂ C([0,18]) [i] based on
- linear OA(2241, 4097, F2, 41) (dual of [4097, 3856, 42]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 224−1, defining interval I = [0,20], and minimum distance d ≥ |{−20,−19,…,20}|+1 = 42 (BCH-bound) [i]
- linear OA(2217, 4097, F2, 37) (dual of [4097, 3880, 38]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 224−1, defining interval I = [0,18], and minimum distance d ≥ |{−18,−17,…,18}|+1 = 38 (BCH-bound) [i]
- linear OA(26, 30, F2, 3) (dual of [30, 24, 4]-code or 30-cap in PG(5,2)), using
- discarding factors / shortening the dual code based on linear OA(26, 32, F2, 3) (dual of [32, 26, 4]-code or 32-cap in PG(5,2)), using
- construction X applied to C([0,20]) ⊂ C([0,18]) [i] based on
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:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(2248, 1376, F2, 3, 40) (dual of [(1376, 3), 3880, 41]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(2248, 1032, F2, 4, 40) (dual of [(1032, 4), 3880, 41]-NRT-code) | [i] | ||
| 3 | Linear OOA(2248, 688, F2, 6, 40) (dual of [(688, 6), 3880, 41]-NRT-code) | [i] | ||
| 4 | Linear OOA(2248, 516, F2, 8, 40) (dual of [(516, 8), 3880, 41]-NRT-code) | [i] | ||