Information on Result #735336

Linear OA(8173, 531610, F81, 20) (dual of [531610, 531537, 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(8158, 531444, F81, 20) (dual of [531444, 531386, 21]-code), using
    • construction X applied to Ce(19) ⊂ Ce(18) [i] based on
      1. linear OA(8158, 531441, F81, 20) (dual of [531441, 531383, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
      2. linear OA(8155, 531441, F81, 19) (dual of [531441, 531386, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
      3. linear OA(810, 3, F81, 0) (dual of [3, 3, 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(8173, 265805, F81, 2, 20) (dual of [(265805, 2), 531537, 21]-NRT-code) [i]OOA Folding
2Linear OOA(8173, 177203, F81, 3, 20) (dual of [(177203, 3), 531536, 21]-NRT-code) [i]