Information on Result #698377

Linear OA(6420, 262153, F64, 7) (dual of [262153, 262133, 8]-code), using construction X4 applied to C([0,3]) ⊂ C([0,2]) based on
  1. linear OA(6419, 262145, F64, 7) (dual of [262145, 262126, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
  2. linear OA(6413, 262145, F64, 5) (dual of [262145, 262132, 6]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,2], and minimum distance d ≥ |{−2,−1,0,1,2}|+1 = 6 (BCH-bound) [i]
  3. linear OA(647, 8, F64, 7) (dual of [8, 1, 8]-code or 8-arc in PG(6,64)), using
  4. linear OA(641, 8, F64, 1) (dual of [8, 7, 2]-code), 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(840, 524306, F8, 7) (dual of [524306, 524266, 8]-code) [i]Trace Code
2OA(1630, 262153, S16, 7) [i]Discarding Parts of the Base for OAs
3OA(3224, 262153, S32, 7) [i]
4Linear OOA(6420, 262153, F64, 2, 7) (dual of [(262153, 2), 524286, 8]-NRT-code) [i]Embedding of OOA with Gilbert–VarÅ¡amov Bound
5Linear OOA(6420, 262153, F64, 3, 7) (dual of [(262153, 3), 786439, 8]-NRT-code) [i]
6Digital (13, 20, 262153)-net over F64 [i]
7Linear OOA(6420, 87384, F64, 7, 7) (dual of [(87384, 7), 611668, 8]-NRT-code) [i]OOA Folding and Stacking with Additional Row