Information on Result #735327

Linear OA(8154, 6729, F81, 20) (dual of [6729, 6675, 21]-code), using (u, u+v)-construction based on
  1. linear OA(8115, 166, F81, 10) (dual of [166, 151, 11]-code), using
  2. linear OA(8139, 6563, F81, 20) (dual of [6563, 6524, 21]-code), using
    • construction X applied to Ce(19) ⊂ Ce(18) [i] based on
      1. linear OA(8139, 6561, F81, 20) (dual of [6561, 6522, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
      2. linear OA(8137, 6561, F81, 19) (dual of [6561, 6524, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
      3. linear OA(810, 2, F81, 0) (dual of [2, 2, 1]-code) (see above)

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(8154, 3364, F81, 2, 20) (dual of [(3364, 2), 6674, 21]-NRT-code) [i]OOA Folding
2Linear OOA(8154, 2243, F81, 3, 20) (dual of [(2243, 3), 6675, 21]-NRT-code) [i]