Information on Result #723173

Linear OA(2544, 654, F25, 18) (dual of [654, 610, 19]-code), using construction XX applied to C1 = C([2,17]), C2 = C([0,8]), C3 = C1 + C2 = C([2,8]), and C∩ = C1 ∩ C2 = C([0,17]) based on
  1. linear OA(2532, 624, F25, 16) (dual of [624, 592, 17]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {2,3,…,17}, and designed minimum distance d ≥ |I|+1 = 17 [i]
  2. linear OA(2517, 624, F25, 9) (dual of [624, 607, 10]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [0,8], and designed minimum distance d ≥ |I|+1 = 10 [i]
  3. linear OA(2535, 624, F25, 18) (dual of [624, 589, 19]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 624 = 252−1, defining interval I = [0,17], and designed minimum distance d ≥ |I|+1 = 19 [i]
  4. linear OA(2514, 624, F25, 7) (dual of [624, 610, 8]-code), using the primitive BCH-code C(I) with length 624 = 252−1, defining interval I = {2,3,…,8}, and designed minimum distance d ≥ |I|+1 = 8 [i]
  5. linear OA(258, 26, F25, 8) (dual of [26, 18, 9]-code or 26-arc in PG(7,25)), using
  6. linear OA(251, 4, F25, 1) (dual of [4, 3, 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

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(2544, 327, F25, 2, 18) (dual of [(327, 2), 610, 19]-NRT-code) [i]OOA Folding