Information on Result #1300908

Linear OA(4240, 257, F4, 152) (dual of [257, 17, 153]-code), using construction X with VarÅ¡amov bound based on
  1. linear OA(4222, 238, F4, 152) (dual of [238, 16, 153]-code), using
    • 19 times truncation [i] based on linear OA(4241, 257, F4, 171) (dual of [257, 16, 172]-code), using
      • the expurgated narrow-sense BCH-code C(I) with length 257 | 48−1, defining interval I = [0,85], and minimum distance d ≥ |{−85,−84,…,85}|+1 = 172 (BCH-bound) [i]
  2. linear OA(4222, 239, F4, 134) (dual of [239, 17, 135]-code), using Gilbert–VarÅ¡amov bound and bm = 4222 > Vbs−1(k−1) = 21 537650 633186 730544 451398 725941 911961 321696 120990 565291 336742 947328 758860 476678 652858 916222 904006 864000 685293 252931 580322 813912 703683 [i]
  3. linear OA(417, 18, F4, 17) (dual of [18, 1, 18]-code or 18-arc in PG(16,4)), using

Mode: 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.