Information on Result #698857

Linear OA(6443, 4110, F64, 20) (dual of [4110, 4067, 21]-code), using construction X applied to Ce(19) ⊂ Ce(14) based on
  1. linear OA(6439, 4096, F64, 20) (dual of [4096, 4057, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
  2. linear OA(6429, 4096, F64, 15) (dual of [4096, 4067, 16]-code), using an extension Ce(14) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
  3. linear OA(644, 14, F64, 4) (dual of [14, 10, 5]-code or 14-arc in PG(3,64)), 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(3252, 4110, S32, 20) [i]Discarding Parts of the Base for OAs
2Linear OOA(6443, 2055, F64, 2, 20) (dual of [(2055, 2), 4067, 21]-NRT-code) [i]OOA Folding
3Linear OOA(6443, 1370, F64, 3, 20) (dual of [(1370, 3), 4067, 21]-NRT-code) [i]
4Linear OOA(6443, 411, F64, 20, 20) (dual of [(411, 20), 8177, 21]-NRT-code) [i]OA Folding and Stacking