| d | ρ | Label | ID | ||
|---|---|---|---|---|---|
| C32×C54 | 486 | C3^2xC54 | 486,207 |
| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|---|---|---|---|---|
| C6.1(C3×C27) = C2×C32⋊C27 | central extension (φ=1) | 162 | C6.1(C3xC27) | 486,72 | |
| C6.2(C3×C27) = C2×C9⋊C27 | central extension (φ=1) | 486 | C6.2(C3xC27) | 486,81 | |
| C6.3(C3×C27) = C2×C81⋊C3 | central extension (φ=1) | 162 | 3 | C6.3(C3xC27) | 486,84 |