Information on Result #700436

Linear OA(25641, 65556, F256, 18) (dual of [65556, 65515, 19]-code), using construction X applied to Ce(17) ⊂ Ce(10) based on
  1. linear OA(25635, 65536, F256, 18) (dual of [65536, 65501, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
  2. linear OA(25621, 65536, F256, 11) (dual of [65536, 65515, 12]-code), using an extension Ce(10) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,10], and designed minimum distance d ≥ |I|+1 = 11 [i]
  3. linear OA(2566, 20, F256, 6) (dual of [20, 14, 7]-code or 20-arc in PG(5,256)), 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(12847, 65556, S128, 18) [i]Discarding Parts of the Base for OAs
2Linear OOA(25641, 32778, F256, 2, 18) (dual of [(32778, 2), 65515, 19]-NRT-code) [i]OOA Folding
3Linear OOA(25641, 21852, F256, 3, 18) (dual of [(21852, 3), 65515, 19]-NRT-code) [i]
4Linear OOA(25641, 16389, F256, 4, 18) (dual of [(16389, 4), 65515, 19]-NRT-code) [i]
5Linear OOA(25641, 13111, F256, 5, 18) (dual of [(13111, 5), 65514, 19]-NRT-code) [i]
6Linear OOA(25641, 10926, F256, 6, 18) (dual of [(10926, 6), 65515, 19]-NRT-code) [i]
7Linear OOA(25641, 7284, F256, 18, 18) (dual of [(7284, 18), 131071, 19]-NRT-code) [i]OA Folding and Stacking