Information on Result #711933
Linear OA(5137, 679, F5, 38) (dual of [679, 542, 39]-code), using construction XX applied to C1 = C([617,25]), C2 = C([0,30]), C3 = C1 + C2 = C([0,25]), and C∩ = C1 ∩ C2 = C([617,30]) based on
- linear OA(5105, 624, F5, 33) (dual of [624, 519, 34]-code), using the primitive BCH-code C(I) with length 624 = 54−1, defining interval I = {−7,−6,…,25}, and designed minimum distance d ≥ |I|+1 = 34 [i]
- linear OA(595, 624, F5, 31) (dual of [624, 529, 32]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 54−1, defining interval I = [0,30], and designed minimum distance d ≥ |I|+1 = 32 [i]
- linear OA(5119, 624, F5, 38) (dual of [624, 505, 39]-code), using the primitive BCH-code C(I) with length 624 = 54−1, defining interval I = {−7,−6,…,30}, and designed minimum distance d ≥ |I|+1 = 39 [i]
- linear OA(581, 624, F5, 26) (dual of [624, 543, 27]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 54−1, defining interval I = [0,25], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(512, 35, F5, 6) (dual of [35, 23, 7]-code), using
- discarding factors / shortening the dual code based on linear OA(512, 62, F5, 6) (dual of [62, 50, 7]-code), using
- the cyclic code C(A) with length 62 | 53−1, defining set A = {4,8,11,17}, and minimum distance d ≥ |{8,11,14,…,23}|+1 = 7 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(512, 62, F5, 6) (dual of [62, 50, 7]-code), using
- linear OA(56, 20, F5, 4) (dual of [20, 14, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(56, 30, F5, 4) (dual of [30, 24, 5]-code), 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 OOA(5137, 339, F5, 2, 38) (dual of [(339, 2), 541, 39]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(5137, 226, F5, 3, 38) (dual of [(226, 3), 541, 39]-NRT-code) | [i] | ||