Information on Result #698963

Linear OA(6448, 4125, F64, 20) (dual of [4125, 4077, 21]-code), using construction X applied to Ce(19) ⊂ Ce(9) 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(6419, 4096, F64, 10) (dual of [4096, 4077, 11]-code), using an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
  3. linear OA(649, 29, F64, 9) (dual of [29, 20, 10]-code or 29-arc in PG(8,64)), 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
1Linear OOA(6448, 2062, F64, 2, 20) (dual of [(2062, 2), 4076, 21]-NRT-code) [i]OOA Folding
2Linear OOA(6448, 1375, F64, 3, 20) (dual of [(1375, 3), 4077, 21]-NRT-code) [i]