Information on Result #699226

Linear OA(8161, 531456, F81, 20) (dual of [531456, 531395, 21]-code), using construction X applied to Ce(19) ⊂ Ce(15) 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(8146, 531441, F81, 16) (dual of [531441, 531395, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
  3. linear OA(813, 15, F81, 3) (dual of [15, 12, 4]-code or 15-arc in PG(2,81) or 15-cap in PG(2,81)), 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(8161, 265728, F81, 2, 20) (dual of [(265728, 2), 531395, 21]-NRT-code) [i]OOA Folding
2Linear OOA(8161, 177152, F81, 3, 20) (dual of [(177152, 3), 531395, 21]-NRT-code) [i]
3Linear OOA(8161, 132864, F81, 4, 20) (dual of [(132864, 4), 531395, 21]-NRT-code) [i]