| d | ρ | Label | ID | ||
|---|---|---|---|---|---|
| C3×D9 | 18 | 2 | C3xD9 | 54,3 |
| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|---|---|---|---|---|
| C3⋊D9 = C9⋊S3 | φ: D9/C9 → C2 ⊆ Aut C3 | 27 | C3:D9 | 54,7 |
| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|---|---|---|---|---|
| C3.D9 = D27 | φ: D9/C9 → C2 ⊆ Aut C3 | 27 | 2+ | C3.D9 | 54,1 |