Information on Result #698370

Linear OA(6456, 262152, F64, 19) (dual of [262152, 262096, 20]-code), using construction X applied to C([0,9]) ⊂ C([0,8]) based on
  1. linear OA(6455, 262145, F64, 19) (dual of [262145, 262090, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 646−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (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(641, 7, F64, 1) (dual of [7, 6, 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(8112, 524304, F8, 19) (dual of [524304, 524192, 20]-code) [i]Trace Code
2OA(1684, 262152, S16, 19) [i]Discarding Parts of the Base for OAs
3OA(3268, 262152, S32, 19) [i]
4Linear OA(6466, 262232, F64, 19) (dual of [262232, 262166, 20]-code) [i](u, u+v)-Construction
5Linear OOA(6456, 131076, F64, 2, 19) (dual of [(131076, 2), 262096, 20]-NRT-code) [i]OOA Folding
6Linear OOA(6456, 87384, F64, 3, 19) (dual of [(87384, 3), 262096, 20]-NRT-code) [i]