Information on Result #698658

Linear OA(6440, 4120, F64, 17) (dual of [4120, 4080, 18]-code), using construction X applied to C([0,8]) ⊂ C([0,4]) based on
  1. linear OA(6433, 4097, F64, 17) (dual of [4097, 4064, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
  2. linear OA(6417, 4097, F64, 9) (dual of [4097, 4080, 10]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [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(3248, 4120, S32, 17) [i]Discarding Parts of the Base for OAs
2Linear OOA(6440, 2060, F64, 2, 17) (dual of [(2060, 2), 4080, 18]-NRT-code) [i]OOA Folding
3Linear OOA(6440, 1373, F64, 3, 17) (dual of [(1373, 3), 4079, 18]-NRT-code) [i]