Information on Result #637478

Linear OA(4231, 252, F4, 143) (dual of [252, 21, 144]-code), using concatenation of two codes based on
  1. linear OA(6435, 42, F64, 35) (dual of [42, 7, 36]-code or 42-arc in PG(34,64)), 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(4231, 252, F4, 142) (dual of [252, 21, 143]-code) [i]Strength Reduction
2Linear OA(4231, 252, F4, 141) (dual of [252, 21, 142]-code) [i]
3Linear OA(4232, 253, F4, 143) (dual of [253, 21, 144]-code) [i]Code Embedding in Larger Space
4Linear OA(4230, 251, F4, 142) (dual of [251, 21, 143]-code) [i]Truncation
5Linear OA(4229, 250, F4, 141) (dual of [250, 21, 142]-code) [i]
6Linear OA(4228, 249, F4, 140) (dual of [249, 21, 141]-code) [i]
7Linear OA(4227, 248, F4, 139) (dual of [248, 21, 140]-code) [i]
8Linear OA(4226, 247, F4, 138) (dual of [247, 21, 139]-code) [i]
9Linear OA(4224, 245, F4, 136) (dual of [245, 21, 137]-code) [i]
10Linear OOA(4231, 126, F4, 2, 143) (dual of [(126, 2), 21, 144]-NRT-code) [i]OOA Folding
11Linear OOA(4231, 84, F4, 3, 143) (dual of [(84, 3), 21, 144]-NRT-code) [i]