Information on Result #698640

Linear OA(6446, 4114, F64, 21) (dual of [4114, 4068, 22]-code), using construction X applied to C([0,10]) ⊂ C([0,7]) based on
  1. linear OA(6441, 4097, F64, 21) (dual of [4097, 4056, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
  2. linear OA(6429, 4097, F64, 15) (dual of [4097, 4068, 16]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,7], and minimum distance d ≥ |{−7,−6,…,7}|+1 = 16 (BCH-bound) [i]
  3. linear OA(645, 17, F64, 5) (dual of [17, 12, 6]-code or 17-arc in PG(4,64)), 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, 4114, S32, 21) [i]Discarding Parts of the Base for OAs
2Linear OOA(6446, 2377, F64, 2, 21) (dual of [(2377, 2), 4708, 22]-NRT-code) [i]Embedding of OOA with Gilbert–VarÅ¡amov Bound
3Linear OOA(6446, 2377, F64, 3, 21) (dual of [(2377, 3), 7085, 22]-NRT-code) [i]
4Digital (25, 46, 2377)-net over F64 [i]
5Linear OOA(6446, 2057, F64, 2, 21) (dual of [(2057, 2), 4068, 22]-NRT-code) [i]OOA Folding
6Linear OOA(6446, 1371, F64, 3, 21) (dual of [(1371, 3), 4067, 22]-NRT-code) [i]
7Linear OOA(6446, 411, F64, 21, 21) (dual of [(411, 21), 8585, 22]-NRT-code) [i]OOA Folding and Stacking with Additional Row