Information on Result #735972

Linear OA(25653, 65806, F256, 20) (dual of [65806, 65753, 21]-code), using (u, u+v)-construction based on
  1. linear OA(25612, 262, F256, 10) (dual of [262, 250, 11]-code), using
  2. linear OA(25641, 65544, F256, 20) (dual of [65544, 65503, 21]-code), using
    • construction X applied to Ce(19) ⊂ Ce(16) [i] based on
      1. linear OA(25639, 65536, F256, 20) (dual of [65536, 65497, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
      2. linear OA(25633, 65536, F256, 17) (dual of [65536, 65503, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
      3. linear OA(2562, 8, F256, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,256)), 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(25653, 32903, F256, 2, 20) (dual of [(32903, 2), 65753, 21]-NRT-code) [i]OOA Folding