Information on Result #698270
Linear OA(4942, 2412, F49, 20) (dual of [2412, 2370, 21]-code), using construction X applied to Ce(19) ⊂ Ce(15) based on
- linear OA(4939, 2401, F49, 20) (dual of [2401, 2362, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 2400 = 492−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(4931, 2401, F49, 16) (dual of [2401, 2370, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 2400 = 492−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
- linear OA(493, 11, F49, 3) (dual of [11, 8, 4]-code or 11-arc in PG(2,49) or 11-cap in PG(2,49)), using
- discarding factors / shortening the dual code based on linear OA(493, 49, F49, 3) (dual of [49, 46, 4]-code or 49-arc in PG(2,49) or 49-cap in PG(2,49)), using
- Reed–Solomon code RS(46,49) [i]
- discarding factors / shortening the dual code based on linear OA(493, 49, F49, 3) (dual of [49, 46, 4]-code or 49-arc in PG(2,49) or 49-cap in PG(2,49)), 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(784, 4824, F7, 20) (dual of [4824, 4740, 21]-code) | [i] | Trace Code | |
| 2 | Linear OA(4953, 2465, F49, 20) (dual of [2465, 2412, 21]-code) | [i] | (u, u+v)-Construction | |
| 3 | Linear OOA(4942, 1206, F49, 2, 20) (dual of [(1206, 2), 2370, 21]-NRT-code) | [i] | OOA Folding | |
| 4 | Linear OOA(4942, 804, F49, 3, 20) (dual of [(804, 3), 2370, 21]-NRT-code) | [i] | ||