Information on Result #734621

Linear OA(4927, 2457, F49, 11) (dual of [2457, 2430, 12]-code), using (u, u+v)-construction based on
  1. linear OA(495, 50, F49, 5) (dual of [50, 45, 6]-code or 50-arc in PG(4,49)), using
  2. linear OA(4922, 2407, F49, 11) (dual of [2407, 2385, 12]-code), using
    • construction X applied to C([0,5]) ⊂ C([0,4]) [i] based on
      1. 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]
      2. linear OA(4917, 2402, F49, 9) (dual of [2402, 2385, 10]-code), using the expurgated narrow-sense BCH-code C(I) with length 2402 | 494−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [i]
      3. linear OA(491, 5, F49, 1) (dual of [5, 4, 2]-code), 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(4927, 819, F49, 3, 11) (dual of [(819, 3), 2430, 12]-NRT-code) [i]OOA Folding