Information on Result #672983
Linear OA(2254, 2085, F2, 45) (dual of [2085, 1831, 46]-code), using construction XX applied to Ce(44) ⊂ Ce(40) ⊂ Ce(38) based on
- linear OA(2243, 2048, F2, 45) (dual of [2048, 1805, 46]-code), using an extension Ce(44) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,44], and designed minimum distance d ≥ |I|+1 = 45 [i]
- linear OA(2221, 2048, F2, 41) (dual of [2048, 1827, 42]-code), using an extension Ce(40) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,40], and designed minimum distance d ≥ |I|+1 = 41 [i]
- linear OA(2210, 2048, F2, 39) (dual of [2048, 1838, 40]-code), using an extension Ce(38) of the primitive narrow-sense BCH-code C(I) with length 2047 = 211−1, defining interval I = [1,38], and designed minimum distance d ≥ |I|+1 = 39 [i]
- linear OA(26, 32, F2, 3) (dual of [32, 26, 4]-code or 32-cap in PG(5,2)), using
- linear OA(21, 5, F2, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, 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(2253, 2084, F2, 44) (dual of [2084, 1831, 45]-code) | [i] | Truncation | |
| 2 | Linear OOA(2254, 1042, F2, 2, 45) (dual of [(1042, 2), 1830, 46]-NRT-code) | [i] | OOA Folding | |
| 3 | Linear OOA(2254, 695, F2, 3, 45) (dual of [(695, 3), 1831, 46]-NRT-code) | [i] | ||
| 4 | Linear OOA(2254, 521, F2, 4, 45) (dual of [(521, 4), 1830, 46]-NRT-code) | [i] | ||
| 5 | Linear OOA(2254, 417, F2, 5, 45) (dual of [(417, 5), 1831, 46]-NRT-code) | [i] | ||
| 6 | Linear OOA(2254, 347, F2, 6, 45) (dual of [(347, 6), 1828, 46]-NRT-code) | [i] | ||