Information on Result #688752
Linear OA(830, 68, F8, 18) (dual of [68, 38, 19]-code), using construction X applied to Ce(17) ⊂ Ce(14) based on
- linear OA(828, 64, F8, 18) (dual of [64, 36, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 63 = 82−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(826, 64, F8, 15) (dual of [64, 38, 16]-code), using an extension Ce(14) of the primitive narrow-sense BCH-code C(I) with length 63 = 82−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
- linear OA(82, 4, F8, 2) (dual of [4, 2, 3]-code or 4-arc in PG(1,8)), using
- discarding factors / shortening the dual code based on linear OA(82, 8, F8, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,8)), using
- Reed–Solomon code RS(6,8) [i]
- discarding factors / shortening the dual code based on linear OA(82, 8, F8, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,8)), 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(829, 67, F8, 17) (dual of [67, 38, 18]-code) | [i] | Truncation | |
| 2 | Linear OOA(830, 34, F8, 2, 18) (dual of [(34, 2), 38, 19]-NRT-code) | [i] | OOA Folding | |