Information on Result #698434

Linear OA(6452, 262147, F64, 18) (dual of [262147, 262095, 19]-code), using construction X applied to Ce(17) ⊂ Ce(16) based on
  1. linear OA(6452, 262144, F64, 18) (dual of [262144, 262092, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
  2. linear OA(6449, 262144, F64, 17) (dual of [262144, 262095, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 262143 = 643−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
  3. linear OA(640, 3, F64, 0) (dual of [3, 3, 1]-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(8104, 524294, F8, 18) (dual of [524294, 524190, 19]-code) [i]Trace Code
2OA(1678, 262147, S16, 18) [i]Discarding Parts of the Base for OAs
3OA(3263, 262147, S32, 18) [i]
4Linear OA(6461, 262212, F64, 18) (dual of [262212, 262151, 19]-code) [i](u, u+v)-Construction
5Linear OA(6462, 262227, F64, 18) (dual of [262227, 262165, 19]-code) [i]
6Linear OA(6463, 262229, F64, 18) (dual of [262229, 262166, 19]-code) [i]
7Linear OA(6464, 262251, F64, 18) (dual of [262251, 262187, 19]-code) [i]
8Linear OA(6465, 262277, F64, 18) (dual of [262277, 262212, 19]-code) [i]
9Linear OA(6466, 262292, F64, 18) (dual of [262292, 262226, 19]-code) [i]
10Linear OA(6467, 262346, F64, 18) (dual of [262346, 262279, 19]-code) [i]
11Linear OA(6468, 262604, F64, 18) (dual of [262604, 262536, 19]-code) [i]
12Linear OOA(6452, 131073, F64, 2, 18) (dual of [(131073, 2), 262094, 19]-NRT-code) [i]OOA Folding
13Linear OOA(6452, 87382, F64, 3, 18) (dual of [(87382, 3), 262094, 19]-NRT-code) [i]