Information on Result #682054

Linear OA(446, 81, F4, 21) (dual of [81, 35, 22]-code), using construction X applied to Ce(20) ⊂ Ce(12) based on
  1. linear OA(437, 64, F4, 21) (dual of [64, 27, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 63 = 43−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
  2. linear OA(428, 64, F4, 13) (dual of [64, 36, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 63 = 43−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
  3. linear OA(49, 17, F4, 7) (dual of [17, 8, 8]-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.

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

Other Results with Identical Parameters

None.

Depending Results

None.