Information on Result #698403

Linear OA(6480, 262176, F64, 25) (dual of [262176, 262096, 26]-code), using construction X applied to C([0,12]) ⊂ C([0,8]) based on
  1. linear OA(6473, 262145, F64, 25) (dual of [262145, 262072, 26]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
  2. linear OA(6449, 262145, F64, 17) (dual of [262145, 262096, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
  3. linear OA(647, 31, F64, 7) (dual of [31, 24, 8]-code or 31-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(3296, 262176, S32, 25) [i]Discarding Parts of the Base for OAs
2Linear OOA(6480, 239294, F64, 2, 25) (dual of [(239294, 2), 478508, 26]-NRT-code) [i]Embedding of OOA with Gilbert–VarÅ¡amov Bound
3Linear OOA(6480, 239294, F64, 3, 25) (dual of [(239294, 3), 717802, 26]-NRT-code) [i]
4Digital (55, 80, 239294)-net over F64 [i]
5Linear OOA(6480, 131088, F64, 2, 25) (dual of [(131088, 2), 262096, 26]-NRT-code) [i]OOA Folding
6Linear OOA(6480, 87392, F64, 3, 25) (dual of [(87392, 3), 262096, 26]-NRT-code) [i]