Information on Result #698925

Linear OA(6446, 4119, F64, 20) (dual of [4119, 4073, 21]-code), using construction X applied to Ce(19) ⊂ Ce(11) based on
  1. linear OA(6439, 4096, F64, 20) (dual of [4096, 4057, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
  2. linear OA(6423, 4096, F64, 12) (dual of [4096, 4073, 13]-code), using an extension Ce(11) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,11], and designed minimum distance d ≥ |I|+1 = 12 [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(3256, 4119, S32, 20) [i]Discarding Parts of the Base for OAs
2Linear OOA(6446, 3920, F64, 2, 20) (dual of [(3920, 2), 7794, 21]-NRT-code) [i]Embedding of OOA with Gilbert–VarÅ¡amov Bound
3Linear OOA(6446, 3920, F64, 3, 20) (dual of [(3920, 3), 11714, 21]-NRT-code) [i]
4Digital (26, 46, 3920)-net over F64 [i]
5Linear OOA(6446, 2059, F64, 2, 20) (dual of [(2059, 2), 4072, 21]-NRT-code) [i]OOA Folding
6Linear OOA(6446, 1373, F64, 3, 20) (dual of [(1373, 3), 4073, 21]-NRT-code) [i]