Information on Result #687761

Linear OA(868, 538, F8, 23) (dual of [538, 470, 24]-code), using construction X applied to C([0,11]) ⊂ C([0,8]) based on
  1. linear OA(861, 513, F8, 23) (dual of [513, 452, 24]-code), using the expurgated narrow-sense BCH-code C(I) with length 513 | 86−1, defining interval I = [0,11], and minimum distance d ≥ |{−11,−10,…,11}|+1 = 24 (BCH-bound) [i]
  2. linear OA(843, 513, F8, 17) (dual of [513, 470, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 513 | 86−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
  3. linear OA(87, 25, F8, 5) (dual of [25, 18, 6]-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(868, 269, F8, 2, 23) (dual of [(269, 2), 470, 24]-NRT-code) [i]OOA Folding