Information on Result #629416

Linear OA(2173, 189, F2, 83) (dual of [189, 16, 84]-code), using concatenation of two codes based on
  1. linear OA(455, 63, F4, 41) (dual of [63, 8, 42]-code), using
    • 2 times truncation [i] based on linear OA(457, 65, F4, 43) (dual of [65, 8, 44]-code), using
      • the expurgated narrow-sense BCH-code C(I) with length 65 | 46−1, defining interval I = [0,21], and minimum distance d ≥ |{−21,−20,…,21}|+1 = 44 (BCH-bound) [i]
  2. linear OA(21, 3, F2, 1) (dual of [3, 2, 2]-code), 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(2173, 189, F2, 82) (dual of [189, 16, 83]-code) [i]Strength Reduction
2Linear OA(2173, 189, F2, 81) (dual of [189, 16, 82]-code) [i]
3Linear OA(2173, 189, F2, 80) (dual of [189, 16, 81]-code) [i]
4Linear OA(2173, 189, F2, 79) (dual of [189, 16, 80]-code) [i]
5Linear OA(2173, 189, F2, 78) (dual of [189, 16, 79]-code) [i]
6Linear OA(2173, 189, F2, 77) (dual of [189, 16, 78]-code) [i]
7Linear OA(2173, 189, F2, 76) (dual of [189, 16, 77]-code) [i]
8Linear OA(2180, 196, F2, 83) (dual of [196, 16, 84]-code) [i]Code Embedding in Larger Space
9Linear OA(2181, 197, F2, 83) (dual of [197, 16, 84]-code) [i]
10Linear OA(2182, 198, F2, 83) (dual of [198, 16, 84]-code) [i]
11Linear OA(2183, 199, F2, 83) (dual of [199, 16, 84]-code) [i]
12Linear OA(2184, 200, F2, 83) (dual of [200, 16, 84]-code) [i]
13Linear OA(2172, 188, F2, 82) (dual of [188, 16, 83]-code) [i]Truncation
14Linear OA(2171, 187, F2, 81) (dual of [187, 16, 82]-code) [i]
15Linear OA(2169, 185, F2, 79) (dual of [185, 16, 80]-code) [i]
16Linear OA(2168, 184, F2, 78) (dual of [184, 16, 79]-code) [i]
17Linear OA(2166, 182, F2, 76) (dual of [182, 16, 77]-code) [i]
18Linear OA(2165, 181, F2, 75) (dual of [181, 16, 76]-code) [i]
19Linear OA(2163, 179, F2, 73) (dual of [179, 16, 74]-code) [i]
20Linear OA(2162, 178, F2, 72) (dual of [178, 16, 73]-code) [i]
21Linear OA(2160, 176, F2, 70) (dual of [176, 16, 71]-code) [i]
22Linear OA(2159, 175, F2, 69) (dual of [175, 16, 70]-code) [i]
23Linear OOA(2173, 94, F2, 2, 83) (dual of [(94, 2), 15, 84]-NRT-code) [i]OOA Folding
24Linear OOA(2173, 63, F2, 3, 83) (dual of [(63, 3), 16, 84]-NRT-code) [i]