Information on Result #700446

Linear OA(25646, 65559, F256, 20) (dual of [65559, 65513, 21]-code), using construction X applied to Ce(19) ⊂ Ce(11) based on
  1. linear OA(25639, 65536, F256, 20) (dual of [65536, 65497, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
  2. linear OA(25623, 65536, F256, 12) (dual of [65536, 65513, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [i]
  3. linear OA(2567, 23, F256, 7) (dual of [23, 16, 8]-code or 23-arc in PG(6,256)), 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
1OA(12853, 65559, S128, 20) [i]Discarding Parts of the Base for OAs
2Linear OOA(25646, 32779, F256, 2, 20) (dual of [(32779, 2), 65512, 21]-NRT-code) [i]OOA Folding
3Linear OOA(25646, 21853, F256, 3, 20) (dual of [(21853, 3), 65513, 21]-NRT-code) [i]