Information on Result #731055
Linear OA(778, 4806, F7, 20) (dual of [4806, 4728, 21]-code), using trace code based on linear OA(4939, 2403, F49, 20) (dual of [2403, 2364, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(18) [i] based on
- linear OA(4939, 2401, F49, 20) (dual of [2401, 2362, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 2400 = 492−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(4937, 2401, F49, 19) (dual of [2401, 2364, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 2400 = 492−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(490, 2, F49, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(490, s, F49, 0) (dual of [s, s, 1]-code) for arbitrarily large s, 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(779, 4807, F7, 20) (dual of [4807, 4728, 21]-code) | [i] | Code Embedding in Larger Space | |
| 2 | Linear OOA(778, 4806, F7, 2, 20) (dual of [(4806, 2), 9534, 21]-NRT-code) | [i] | Embedding of OOA with Gilbert–Varšamov Bound | |
| 3 | Linear OOA(778, 4806, F7, 3, 20) (dual of [(4806, 3), 14340, 21]-NRT-code) | [i] | ||
| 4 | Digital (58, 78, 4806)-net over F7 | [i] | ||
| 5 | Linear OA(779, 4834, F7, 20) (dual of [4834, 4755, 21]-code) | [i] | Varšamov–Edel Lengthening | |
| 6 | Linear OA(780, 4973, F7, 20) (dual of [4973, 4893, 21]-code) | [i] | ||
| 7 | Linear OA(781, 5343, F7, 20) (dual of [5343, 5262, 21]-code) | [i] | ||
| 8 | Linear OA(779, 4808, F7, 20) (dual of [4808, 4729, 21]-code) | [i] | Construction X with Varšamov Bound | |
| 9 | Linear OOA(778, 2403, F7, 2, 20) (dual of [(2403, 2), 4728, 21]-NRT-code) | [i] | OOA Folding | |
| 10 | Linear OOA(778, 1602, F7, 3, 20) (dual of [(1602, 3), 4728, 21]-NRT-code) | [i] | ||