Information on Result #688984

Linear OA(9120, 4782976, F9, 20) (dual of [4782976, 4782856, 21]-code), using construction X applied to Ce(19) ⊂ Ce(18) based on
  1. linear OA(9120, 4782969, F9, 20) (dual of [4782969, 4782849, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
  2. linear OA(9113, 4782969, F9, 19) (dual of [4782969, 4782856, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
  3. linear OA(90, 7, F9, 0) (dual of [7, 7, 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(9121, 4782977, F9, 20) (dual of [4782977, 4782856, 21]-code) [i]Code Embedding in Larger Space
2Linear OOA(9120, 2391488, F9, 2, 20) (dual of [(2391488, 2), 4782856, 21]-NRT-code) [i]OOA Folding
3Linear OOA(9120, 1594325, F9, 3, 20) (dual of [(1594325, 3), 4782855, 21]-NRT-code) [i]
4Linear OOA(9120, 478297, F9, 20, 20) (dual of [(478297, 20), 9565820, 21]-NRT-code) [i]OA Folding and Stacking