Information on Result #737754
Linear OA(746, 61, F7, 31) (dual of [61, 15, 32]-code), using construction X applied to C([1,63]) ⊂ C([1,49]) based on
- linear OA(739, 48, F7, 31) (dual of [48, 9, 32]-code), using contraction [i] based on linear OA(787, 96, F7, 63) (dual of [96, 9, 64]-code), using the narrow-sense BCH-code C(I) with length 96 | 74−1, defining interval I = [1,63], and designed minimum distance d ≥ |I|+1 = 64 [i]
- linear OA(733, 48, F7, 24) (dual of [48, 15, 25]-code), using contraction [i] based on linear OA(781, 96, F7, 49) (dual of [96, 15, 50]-code), using the narrow-sense BCH-code C(I) with length 96 | 74−1, defining interval I = [1,49], and designed minimum distance d ≥ |I|+1 = 50 [i]
- linear OA(77, 13, F7, 6) (dual of [13, 6, 7]-code), using
- discarding factors / shortening the dual code based on linear OA(77, 14, F7, 6) (dual of [14, 7, 7]-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.
Compare with Markus Grassl’s online database of code parameters.
Other Results with Identical Parameters
None.
Depending Results
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OA(751, 71, F7, 31) (dual of [71, 20, 32]-code) | [i] | Varšamov–Edel Lengthening | |