Information on Result #698177

Linear OA(4940, 2413, F49, 19) (dual of [2413, 2373, 20]-code), using construction X applied to C([0,9]) ⊂ C([0,7]) based on
  1. linear OA(4937, 2402, F49, 19) (dual of [2402, 2365, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
  2. linear OA(4929, 2402, F49, 15) (dual of [2402, 2373, 16]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,7], and minimum distance d ≥ |{−7,−6,…,7}|+1 = 16 (BCH-bound) [i]
  3. 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

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:

ResultThis
result
only
Method
1Linear OA(4949, 2463, F49, 19) (dual of [2463, 2414, 20]-code) [i](u, u+v)-Construction
2Linear OOA(4940, 1206, F49, 2, 19) (dual of [(1206, 2), 2372, 20]-NRT-code) [i]OOA Folding
3Linear OOA(4940, 804, F49, 3, 19) (dual of [(804, 3), 2372, 20]-NRT-code) [i]