Information on Result #699465
Linear OA(8141, 6569, F81, 20) (dual of [6569, 6528, 21]-code), using construction X applied to Ce(19) ⊂ Ce(16) based on
- linear OA(8139, 6561, F81, 20) (dual of [6561, 6522, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(8133, 6561, F81, 17) (dual of [6561, 6528, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(812, 8, F81, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,81)), using
- discarding factors / shortening the dual code based on linear OA(812, 81, F81, 2) (dual of [81, 79, 3]-code or 81-arc in PG(1,81)), using
- Reed–Solomon code RS(79,81) [i]
- discarding factors / shortening the dual code based on linear OA(812, 81, F81, 2) (dual of [81, 79, 3]-code or 81-arc in PG(1,81)), 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(982, 13138, F9, 20) (dual of [13138, 13056, 21]-code) | [i] | Trace Code | |
| 2 | OA(2755, 6569, S27, 20) | [i] | Discarding Parts of the Base for OAs | |
| 3 | Linear OOA(8141, 3284, F81, 2, 20) (dual of [(3284, 2), 6527, 21]-NRT-code) | [i] | OOA Folding | |
| 4 | Linear OOA(8141, 2189, F81, 3, 20) (dual of [(2189, 3), 6526, 21]-NRT-code) | [i] | ||
| 5 | Linear OOA(8141, 1642, F81, 4, 20) (dual of [(1642, 4), 6527, 21]-NRT-code) | [i] | ||