Information on Result #665680

Linear OA(2552, 639, F25, 20) (dual of [639, 587, 21]-code), using (u, u−v, u+v+w)-construction based on
  1. linear OA(256, 7, F25, 6) (dual of [7, 1, 7]-code or 7-arc in PG(5,25)), using
  2. linear OA(257, 7, F25, 7) (dual of [7, 0, 8]-code or 7-arc in PG(6,25)), using
  3. linear OA(2539, 625, F25, 20) (dual of [625, 586, 21]-code), using
    • an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]

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

None.