Information on Result #2206176
Linear OA(4219, 240, F4, 134) (dual of [240, 21, 135]-code), using strength reduction based on linear OA(4219, 240, F4, 135) (dual of [240, 21, 136]-code), using
- concatenation of two codes [i] based on
- linear OA(6433, 40, F64, 33) (dual of [40, 7, 34]-code or 40-arc in PG(32,64)), using
- discarding factors / shortening the dual code based on linear OA(6433, 64, F64, 33) (dual of [64, 31, 34]-code or 64-arc in PG(32,64)), using
- Reed–Solomon code RS(31,64) [i]
- discarding factors / shortening the dual code based on linear OA(6433, 64, F64, 33) (dual of [64, 31, 34]-code or 64-arc in PG(32,64)), using
- linear OA(43, 6, F4, 3) (dual of [6, 3, 4]-code or 6-arc in PG(2,4) or 6-cap in PG(2,4)), using
- linear OA(6433, 40, F64, 33) (dual of [40, 7, 34]-code or 40-arc in PG(32,64)), 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(4218, 239, F4, 133) (dual of [239, 21, 134]-code) | [i] | Truncation | |
| 2 | Linear OA(4217, 238, F4, 132) (dual of [238, 21, 133]-code) | [i] | ||
| 3 | Linear OOA(4219, 120, F4, 2, 134) (dual of [(120, 2), 21, 135]-NRT-code) | [i] | OOA Folding | |
| 4 | Linear OOA(4219, 80, F4, 3, 134) (dual of [(80, 3), 21, 135]-NRT-code) | [i] | ||