Information on Result #641180

Linear OA(485, 89, F4, 64) (dual of [89, 4, 65]-code), using juxtaposition based on
  1. linear OA(40, 4, F4, 0) (dual of [4, 4, 1]-code), using
  2. linear OA(481, 85, F4, 63) (dual of [85, 4, 64]-code), using
    • Simplex code S(4,4) [i]
    • the expurgated narrow-sense BCH-code C(I) with length 85 | 44−1, defining interval I = [0,56], and minimum distance d ≥ |{−6,−5,…,56}|+1 = 64 (BCH-bound) [i]

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.

Compare with Markus Grassl’s online database of code parameters.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(485, 44, F4, 2, 64) (dual of [(44, 2), 3, 65]-NRT-code) [i]OOA Folding