Information on Result #698926

Linear OA(6442, 4119, F64, 18) (dual of [4119, 4077, 19]-code), using construction X applied to Ce(17) ⊂ Ce(9) based on
  1. linear OA(6435, 4096, F64, 18) (dual of [4096, 4061, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
  2. linear OA(6419, 4096, F64, 10) (dual of [4096, 4077, 11]-code), using an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
  3. linear OA(647, 23, F64, 7) (dual of [23, 16, 8]-code or 23-arc in PG(6,64)), 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(3251, 4119, S32, 18) [i]Discarding Parts of the Base for OAs
2Linear OOA(6442, 2059, F64, 2, 18) (dual of [(2059, 2), 4076, 19]-NRT-code) [i]OOA Folding
3Linear OOA(6442, 1373, F64, 3, 18) (dual of [(1373, 3), 4077, 19]-NRT-code) [i]