Information on Result #698647

Linear OA(6484, 4120, F64, 39) (dual of [4120, 4036, 40]-code), using construction X applied to C([0,19]) ⊂ C([0,15]) based on
  1. linear OA(6477, 4097, F64, 39) (dual of [4097, 4020, 40]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,19], and minimum distance d ≥ |{−19,−18,…,19}|+1 = 40 (BCH-bound) [i]
  2. linear OA(6461, 4097, F64, 31) (dual of [4097, 4036, 32]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,15], and minimum distance d ≥ |{−15,−14,…,15}|+1 = 32 (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
1Linear OA(8168, 8240, F8, 39) (dual of [8240, 8072, 40]-code) [i]Trace Code
2OA(32101, 4120, S32, 39) [i]Discarding Parts of the Base for OAs
3Linear OOA(6484, 2602, F64, 2, 39) (dual of [(2602, 2), 5120, 40]-NRT-code) [i]Embedding of OOA with Gilbert–VarÅ¡amov Bound
4Linear OOA(6484, 2602, F64, 3, 39) (dual of [(2602, 3), 7722, 40]-NRT-code) [i]
5Digital (45, 84, 2602)-net over F64 [i]
6Linear OOA(6484, 2060, F64, 2, 39) (dual of [(2060, 2), 4036, 40]-NRT-code) [i]OOA Folding
7Linear OOA(6484, 1373, F64, 3, 39) (dual of [(1373, 3), 4035, 40]-NRT-code) [i]