Information on Result #1300998

Linear OA(4235, 262220, F4, 32) (dual of [262220, 261985, 33]-code), using construction X with VarÅ¡amov bound based on
  1. linear OA(4230, 262212, F4, 32) (dual of [262212, 261982, 33]-code), using
    • construction X applied to C([0,16]) ⊂ C([0,12]) [i] based on
      1. linear OA(4217, 262145, F4, 33) (dual of [262145, 261928, 34]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 418−1, defining interval I = [0,16], and minimum distance d ≥ |{−16,−15,…,16}|+1 = 34 (BCH-bound) [i]
      2. linear OA(4163, 262145, F4, 25) (dual of [262145, 261982, 26]-code), using the expurgated narrow-sense BCH-code C(I) with length 262145 | 418−1, defining interval I = [0,12], and minimum distance d ≥ |{−12,−11,…,12}|+1 = 26 (BCH-bound) [i]
      3. linear OA(413, 67, F4, 6) (dual of [67, 54, 7]-code), using
  2. linear OA(4230, 262215, F4, 29) (dual of [262215, 261985, 30]-code), using Gilbert–VarÅ¡amov bound and bm = 4230 > Vbs−1(k−1) = 3953 740843 234968 556197 391512 060976 145397 441965 733278 802010 735352 042408 579857 901326 582296 991059 973373 065535 885246 734406 485074 135598 209016 [i]
  3. linear OA(42, 5, F4, 2) (dual of [5, 3, 3]-code or 5-arc in PG(1,4)), 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

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(4235, 131110, F4, 2, 32) (dual of [(131110, 2), 261985, 33]-NRT-code) [i]OOA Folding