Information on Result #672883
Linear OA(2249, 2077, F2, 45) (dual of [2077, 1828, 46]-code), using construction X applied to C([0,22]) ⊂ C([0,20]) based on
- 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]
- 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]
- linear OA(26, 28, F2, 3) (dual of [28, 22, 4]-code or 28-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
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 OA(2249, 2077, F2, 44) (dual of [2077, 1828, 45]-code) | [i] | Strength Reduction | |
2 | Linear OA(2250, 2078, F2, 45) (dual of [2078, 1828, 46]-code) | [i] | Code Embedding in Larger Space | |
3 | Linear OA(2251, 2079, F2, 45) (dual of [2079, 1828, 46]-code) | [i] | ||
4 | Linear OA(2252, 2080, F2, 45) (dual of [2080, 1828, 46]-code) | [i] | ||
5 | Linear OA(2253, 2081, F2, 45) (dual of [2081, 1828, 46]-code) | [i] | ||
6 | Linear OA(2248, 2076, F2, 44) (dual of [2076, 1828, 45]-code) | [i] | Truncation | |
7 | Linear OOA(2249, 1038, F2, 2, 45) (dual of [(1038, 2), 1827, 46]-NRT-code) | [i] | OOA Folding | |
8 | Linear OOA(2249, 692, F2, 3, 45) (dual of [(692, 3), 1827, 46]-NRT-code) | [i] | ||
9 | Linear OOA(2249, 519, F2, 4, 45) (dual of [(519, 4), 1827, 46]-NRT-code) | [i] | ||
10 | Linear OOA(2249, 415, F2, 5, 45) (dual of [(415, 5), 1826, 46]-NRT-code) | [i] | ||
11 | Linear OOA(2249, 346, F2, 6, 45) (dual of [(346, 6), 1827, 46]-NRT-code) | [i] | ||
12 | Linear OOA(2249, 296, F2, 7, 45) (dual of [(296, 7), 1823, 46]-NRT-code) | [i] | ||
13 | Linear OOA(2249, 259, F2, 8, 45) (dual of [(259, 8), 1823, 46]-NRT-code) | [i] |