Information on Result #702968
Linear OA(2232, 1080, F2, 45) (dual of [1080, 848, 46]-code), using construction XX applied to C1 = C([1019,36]), C2 = C([1,40]), C3 = C1 + C2 = C([1,36]), and C∩ = C1 ∩ C2 = C([1019,40]) based on
- linear OA(2196, 1023, F2, 41) (dual of [1023, 827, 42]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−4,−3,…,36}, and designed minimum distance d ≥ |I|+1 = 42 [i]
- linear OA(2195, 1023, F2, 40) (dual of [1023, 828, 41]-code), using the primitive narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [1,40], and designed minimum distance d ≥ |I|+1 = 41 [i]
- linear OA(2216, 1023, F2, 45) (dual of [1023, 807, 46]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−4,−3,…,40}, and designed minimum distance d ≥ |I|+1 = 46 [i]
- linear OA(2175, 1023, F2, 36) (dual of [1023, 848, 37]-code), using the primitive narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [1,36], and designed minimum distance d ≥ |I|+1 = 37 [i]
- linear OA(210, 31, F2, 4) (dual of [31, 21, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(210, 32, F2, 4) (dual of [32, 22, 5]-code), using
- 1 times truncation [i] based on linear OA(211, 33, F2, 5) (dual of [33, 22, 6]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 33 | 210−1, defining interval I = [0,2], and minimum distance d ≥ |{−2,−1,0,1,2}|+1 = 6 (BCH-bound) [i]
- 1 times truncation [i] based on linear OA(211, 33, F2, 5) (dual of [33, 22, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(210, 32, F2, 4) (dual of [32, 22, 5]-code), using
- linear OA(26, 26, F2, 3) (dual of [26, 20, 4]-code or 26-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(2231, 1079, F2, 44) (dual of [1079, 848, 45]-code) | [i] | Truncation | |
| 2 | Linear OOA(2232, 270, F2, 4, 45) (dual of [(270, 4), 848, 46]-NRT-code) | [i] | OOA Folding | |
| 3 | Linear OOA(2232, 216, F2, 5, 45) (dual of [(216, 5), 848, 46]-NRT-code) | [i] | ||
| 4 | Linear OOA(2232, 180, F2, 6, 45) (dual of [(180, 6), 848, 46]-NRT-code) | [i] | ||
| 5 | Linear OOA(2232, 135, F2, 8, 45) (dual of [(135, 8), 848, 46]-NRT-code) | [i] | ||