Information on Result #640854
Linear OA(2135, 142, F2, 68) (dual of [142, 7, 69]-code), using juxtaposition based on
- linear OA(28, 15, F2, 4) (dual of [15, 7, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(28, 17, F2, 4) (dual of [17, 9, 5]-code), using
- 1 times truncation [i] based on linear OA(29, 18, F2, 5) (dual of [18, 9, 6]-code), using
- extended quadratic residue code Qe(18,2) [i]
- 1 times truncation [i] based on linear OA(29, 18, F2, 5) (dual of [18, 9, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(28, 17, F2, 4) (dual of [17, 9, 5]-code), using
- linear OA(2120, 127, F2, 63) (dual of [127, 7, 64]-code), using
- Simplex code S(7,2) [i]
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 OOA(2135, 71, F2, 2, 68) (dual of [(71, 2), 7, 69]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(2135, 47, F2, 3, 68) (dual of [(47, 3), 6, 69]-NRT-code) | [i] | ||