| d | ρ | Label | ID | ||
|---|---|---|---|---|---|
| C23×C62 | 496 | C2^3xC62 | 496,42 |
| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|---|---|---|---|---|
| C2.1(C22×C62) = D4×C62 | central stem extension (φ=1) | 248 | C2.1(C2^2xC62) | 496,38 | |
| C2.2(C22×C62) = Q8×C62 | central stem extension (φ=1) | 496 | C2.2(C2^2xC62) | 496,39 | |
| C2.3(C22×C62) = C4○D4×C31 | central stem extension (φ=1) | 248 | 2 | C2.3(C2^2xC62) | 496,40 |