Information on Result #674678
Linear OA(3142, 177201, F3, 18) (dual of [177201, 177059, 19]-code), using construction X applied to C([0,9]) ⊂ C([0,6]) based on
- linear OA(3133, 177148, F3, 19) (dual of [177148, 177015, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 177148 | 322−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- linear OA(389, 177148, F3, 13) (dual of [177148, 177059, 14]-code), using the expurgated narrow-sense BCH-code C(I) with length 177148 | 322−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- linear OA(39, 53, F3, 4) (dual of [53, 44, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(39, 80, F3, 4) (dual of [80, 71, 5]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 80 = 34−1, defining interval I = [0,2], and designed minimum distance d ≥ |I|+1 = 5 [i]
- discarding factors / shortening the dual code based on linear OA(39, 80, F3, 4) (dual of [80, 71, 5]-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:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(3142, 88600, F3, 2, 18) (dual of [(88600, 2), 177058, 19]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(3142, 59067, F3, 3, 18) (dual of [(59067, 3), 177059, 19]-NRT-code) | [i] | ||
| 3 | Linear OOA(3142, 44300, F3, 4, 18) (dual of [(44300, 4), 177058, 19]-NRT-code) | [i] | ||
| 4 | Linear OOA(3142, 35440, F3, 5, 18) (dual of [(35440, 5), 177058, 19]-NRT-code) | [i] | ||
| 5 | Linear OOA(3142, 19689, F3, 18, 18) (dual of [(19689, 18), 354260, 19]-NRT-code) | [i] | OA Folding and Stacking | |