Information on Result #636768

Linear OA(4134, 170, F4, 68) (dual of [170, 36, 69]-code), using concatenation of two codes based on
  1. linear OA(6422, 34, F64, 22) (dual of [34, 12, 23]-code or 34-arc in PG(21,64)), using
  2. linear OA(42, 5, F4, 2) (dual of [5, 3, 3]-code or 5-arc in PG(1,4)), 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.

Compare with Markus Grassl’s online database of code parameters.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OA(4134, 170, F4, 67) (dual of [170, 36, 68]-code) [i]Strength Reduction
2Linear OA(4133, 169, F4, 67) (dual of [169, 36, 68]-code) [i]Truncation
3Linear OOA(4134, 85, F4, 2, 68) (dual of [(85, 2), 36, 69]-NRT-code) [i]OOA Folding
4Linear OOA(4134, 56, F4, 3, 68) (dual of [(56, 3), 34, 69]-NRT-code) [i]