Information on Result #710593
Linear OA(571, 320, F5, 23) (dual of [320, 249, 24]-code), using construction XX applied to C1 = C([311,20]), C2 = C([0,21]), C3 = C1 + C2 = C([0,20]), and C∩ = C1 ∩ C2 = C([311,21]) based on
- linear OA(567, 312, F5, 22) (dual of [312, 245, 23]-code), using the BCH-code C(I) with length 312 | 54−1, defining interval I = {−1,0,…,20}, and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(567, 312, F5, 22) (dual of [312, 245, 23]-code), using the expurgated narrow-sense BCH-code C(I) with length 312 | 54−1, defining interval I = [0,21], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(571, 312, F5, 23) (dual of [312, 241, 24]-code), using the BCH-code C(I) with length 312 | 54−1, defining interval I = {−1,0,…,21}, and designed minimum distance d ≥ |I|+1 = 24 [i]
- linear OA(563, 312, F5, 21) (dual of [312, 249, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 312 | 54−1, defining interval I = [0,20], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(50, 4, F5, 0) (dual of [4, 4, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(50, s, F5, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
- linear OA(50, 4, F5, 0) (dual of [4, 4, 1]-code) (see above)
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(571, 160, F5, 2, 23) (dual of [(160, 2), 249, 24]-NRT-code) | [i] | OOA Folding | |