Information on Result #698732

Linear OA(6435, 4098, F64, 18) (dual of [4098, 4063, 19]-code), using construction X applied to Ce(17) ⊂ Ce(16) based on
  1. linear OA(6435, 4096, F64, 18) (dual of [4096, 4061, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
  2. linear OA(6433, 4096, F64, 17) (dual of [4096, 4063, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
  3. linear OA(640, 2, F64, 0) (dual of [2, 2, 1]-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.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OA(870, 8196, F8, 18) (dual of [8196, 8126, 19]-code) [i]Trace Code
2OA(3242, 4098, S32, 18) [i]Discarding Parts of the Base for OAs
3Linear OA(6444, 4163, F64, 18) (dual of [4163, 4119, 19]-code) [i](u, u+v)-Construction
4Linear OA(6445, 4178, F64, 18) (dual of [4178, 4133, 19]-code) [i]
5Linear OA(6446, 4180, F64, 18) (dual of [4180, 4134, 19]-code) [i]
6Linear OA(6447, 4202, F64, 18) (dual of [4202, 4155, 19]-code) [i]
7Linear OA(6448, 4228, F64, 18) (dual of [4228, 4180, 19]-code) [i]
8Linear OA(6449, 4243, F64, 18) (dual of [4243, 4194, 19]-code) [i]
9Linear OA(6450, 4297, F64, 18) (dual of [4297, 4247, 19]-code) [i]
10Linear OA(6440, 4124, F64, 18) (dual of [4124, 4084, 19]-code) [i]VarÅ¡amov–Edel Lengthening
11Linear OA(6441, 4176, F64, 18) (dual of [4176, 4135, 19]-code) [i]
12Linear OA(6442, 4321, F64, 18) (dual of [4321, 4279, 19]-code) [i]
13Linear OA(6443, 4696, F64, 18) (dual of [4696, 4653, 19]-code) [i]
14Linear OA(6444, 5521, F64, 18) (dual of [5521, 5477, 19]-code) [i]
15Linear OOA(6435, 2049, F64, 2, 18) (dual of [(2049, 2), 4063, 19]-NRT-code) [i]OOA Folding
16Linear OOA(6435, 1366, F64, 3, 18) (dual of [(1366, 3), 4063, 19]-NRT-code) [i]