Information on Result #736817

Linear OA(2260, 322, F2, 86) (dual of [322, 62, 87]-code), using construction X applied to C([0,86]) ⊂ C([0,60]) based on
  1. linear OA(2211, 255, F2, 87) (dual of [255, 44, 88]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [0,86], and designed minimum distance d ≥ |I|+1 = 88 [i]
  2. linear OA(2193, 255, F2, 62) (dual of [255, 62, 63]-code), using the expurgated primitive narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [1,60], and minimum distance d ≥ 63 (sporadic result) [i]
  3. linear OA(249, 67, F2, 23) (dual of [67, 18, 24]-code), using
    • construction X applied to Ce(22) ⊂ Ce(20) [i] based on
      1. linear OA(248, 64, F2, 23) (dual of [64, 16, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
      2. linear OA(246, 64, F2, 21) (dual of [64, 18, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
      3. linear OA(21, 3, F2, 1) (dual of [3, 2, 2]-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

None.