Information on Result #641478
Linear OA(8139, 143, F8, 120) (dual of [143, 4, 121]-code), using juxtaposition based on
- linear OA(89, 13, F8, 8) (dual of [13, 4, 9]-code), using
- discarding factors / shortening the dual code based on linear OA(89, 14, F8, 8) (dual of [14, 5, 9]-code), using
- extended algebraic-geometric code AGe(F,5P) [i] based on function field F/F8 with g(F) = 1 and N(F) ≥ 14, using
- discarding factors / shortening the dual code based on linear OA(89, 14, F8, 8) (dual of [14, 5, 9]-code), using
- linear OA(8126, 130, F8, 111) (dual of [130, 4, 112]-code), using
- repeating each code word 2 times [i] based on linear OA(861, 65, F8, 55) (dual of [65, 4, 56]-code), using
- projective code from ovoid in PG(3, 8) [i]
- the expurgated narrow-sense BCH-code C(I) with length 65 | 84−1, defining interval I = [0,27], and minimum distance d ≥ |{−27,−26,…,27}|+1 = 56 (BCH-bound) [i]
- repeating each code word 2 times [i] based on linear OA(861, 65, F8, 55) (dual of [65, 4, 56]-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 OA(8139, 143, F8, 119) (dual of [143, 4, 120]-code) | [i] | Strength Reduction | |
| 2 | Linear OA(8139, 143, F8, 118) (dual of [143, 4, 119]-code) | [i] | ||
| 3 | Linear OA(8139, 143, F8, 117) (dual of [143, 4, 118]-code) | [i] | ||
| 4 | Linear OA(8139, 143, F8, 116) (dual of [143, 4, 117]-code) | [i] | ||