| d | ρ | Label | ID | ||
|---|---|---|---|---|---|
| C23xC19:C3 | 152 | C2^3xC19:C3 | 456,48 |
| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|---|---|---|---|---|
| C2.1(C22xC19:C3) = C2xC4xC19:C3 | central extension (φ=1) | 152 | C2.1(C2^2xC19:C3) | 456,19 | |
| C2.2(C22xC19:C3) = D4xC19:C3 | central stem extension (φ=1) | 76 | 6 | C2.2(C2^2xC19:C3) | 456,20 |
| C2.3(C22xC19:C3) = Q8xC19:C3 | central stem extension (φ=1) | 152 | 6 | C2.3(C2^2xC19:C3) | 456,21 |