Information on Result #698336

Linear OA(4939, 482, F49, 21) (dual of [482, 443, 22]-code), using construction X applied to Ce(20) ⊂ Ce(19) based on
  1. linear OA(4939, 481, F49, 21) (dual of [481, 442, 22]-code), using an extension Ce(20) of the narrow-sense BCH-code C(I) with length 480 | 492−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
  2. linear OA(4938, 481, F49, 20) (dual of [481, 443, 21]-code), using an extension Ce(19) of the narrow-sense BCH-code C(I) with length 480 | 492−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
  3. linear OA(490, 1, F49, 0) (dual of [1, 1, 1]-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(4939, 241, F49, 2, 21) (dual of [(241, 2), 443, 22]-NRT-code) [i]OOA Folding