Information on Result #637455

Linear OA(4219, 240, F4, 135) (dual of [240, 21, 136]-code), using concatenation of two codes based on
  1. linear OA(6433, 40, F64, 33) (dual of [40, 7, 34]-code or 40-arc in PG(32,64)), using
  2. linear OA(43, 6, F4, 3) (dual of [6, 3, 4]-code or 6-arc in PG(2,4) or 6-cap in PG(2,4)), 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(4219, 240, F4, 134) (dual of [240, 21, 135]-code) [i]Strength Reduction
2Linear OA(4219, 240, F4, 133) (dual of [240, 21, 134]-code) [i]
3Linear OA(4220, 241, F4, 135) (dual of [241, 21, 136]-code) [i]Code Embedding in Larger Space
4Linear OA(4218, 239, F4, 134) (dual of [239, 21, 135]-code) [i]Truncation
5Linear OA(4217, 238, F4, 133) (dual of [238, 21, 134]-code) [i]
6Linear OA(4216, 237, F4, 132) (dual of [237, 21, 133]-code) [i]
7Linear OA(4215, 236, F4, 131) (dual of [236, 21, 132]-code) [i]
8Linear OA(4214, 235, F4, 130) (dual of [235, 21, 131]-code) [i]
9Linear OA(4212, 233, F4, 128) (dual of [233, 21, 129]-code) [i]
10Linear OOA(4219, 120, F4, 2, 135) (dual of [(120, 2), 21, 136]-NRT-code) [i]OOA Folding
11Linear OOA(4219, 80, F4, 3, 135) (dual of [(80, 3), 21, 136]-NRT-code) [i]