Information on Result #698196

Linear OA(4950, 2431, F49, 21) (dual of [2431, 2381, 22]-code), using construction X applied to C([0,10]) ⊂ C([0,5]) based on
  1. linear OA(4941, 2402, F49, 21) (dual of [2402, 2361, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
  2. linear OA(4921, 2402, F49, 11) (dual of [2402, 2381, 12]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,5], and minimum distance d ≥ |{−5,−4,…,5}|+1 = 12 (BCH-bound) [i]
  3. linear OA(499, 29, F49, 9) (dual of [29, 20, 10]-code or 29-arc in PG(8,49)), 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 OOA(4950, 1215, F49, 2, 21) (dual of [(1215, 2), 2380, 22]-NRT-code) [i]OOA Folding
2Linear OOA(4950, 810, F49, 3, 21) (dual of [(810, 3), 2380, 22]-NRT-code) [i]