Information on Result #735370

Linear OA(8147, 6682, F81, 18) (dual of [6682, 6635, 19]-code), using (u, u+v)-construction based on
  1. linear OA(8111, 116, F81, 9) (dual of [116, 105, 10]-code), using
  2. linear OA(8136, 6566, F81, 18) (dual of [6566, 6530, 19]-code), using
    • construction X applied to Ce(17) ⊂ Ce(15) [i] based on
      1. linear OA(8135, 6561, F81, 18) (dual of [6561, 6526, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
      2. linear OA(8131, 6561, F81, 16) (dual of [6561, 6530, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
      3. linear OA(811, 5, F81, 1) (dual of [5, 4, 2]-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(8147, 3341, F81, 2, 18) (dual of [(3341, 2), 6635, 19]-NRT-code) [i]OOA Folding