Information on Result #673247
Linear OA(297, 537, F2, 21) (dual of [537, 440, 22]-code), using construction X applied to C([0,10]) ⊂ C([0,8]) based on
- linear OA(291, 513, F2, 21) (dual of [513, 422, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 513 | 218−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
- linear OA(273, 513, F2, 17) (dual of [513, 440, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 513 | 218−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- linear OA(26, 24, F2, 3) (dual of [24, 18, 4]-code or 24-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(296, 536, F2, 20) (dual of [536, 440, 21]-code) | [i] | Truncation | |
| 2 | Linear OOA(297, 179, F2, 3, 21) (dual of [(179, 3), 440, 22]-NRT-code) | [i] | OOA Folding | |
| 3 | Linear OOA(297, 134, F2, 4, 21) (dual of [(134, 4), 439, 22]-NRT-code) | [i] | ||