Information on Result #1839636
OOA(245, 2097163, S2, 7, 5), using appending 2 arbitrary columns based on OOA(245, 2097163, S2, 5, 5), using
- OOA 2-folding and stacking with additional row [i] based on OA(245, 4194327, S2, 5), using
- construction X4 applied to RM(1,22) ⊂ K(22) [i] based on
- OA(244, 4194304, S2, 5), using Kerdock OA K(22) [i]
- linear OA(223, 4194304, F2, 3) (dual of [4194304, 4194281, 4]-code or 4194304-cap in PG(22,2)), using Reed–Muller code RM(1,22) [i]
- linear OA(222, 23, F2, 21) (dual of [23, 1, 22]-code), using
- strength reduction [i] based on linear OA(222, 23, F2, 22) (dual of [23, 1, 23]-code or 23-arc in PG(21,2)), using
- dual of repetition code with length 23 [i]
- strength reduction [i] based on linear OA(222, 23, F2, 22) (dual of [23, 1, 23]-code or 23-arc in PG(21,2)), using
- linear OA(21, 23, F2, 1) (dual of [23, 22, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X4 applied to RM(1,22) ⊂ K(22) [i] based on
Mode: Constructive.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m and t.
Other Results with Identical Parameters
None.
Depending Results
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | OOA(2184, 6291464, S2, 7, 10) | [i] | (u, u+v)-Construction for OOAs | |
| 2 | OOA(2185, 6291464, S2, 7, 11) | [i] | ||