| d | ρ | Label | ID | ||
|---|---|---|---|---|---|
| C2×C20.44D4 | 320 | C2xC20.44D4 | 320,730 |
| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|---|---|---|---|---|
| C2.1(C20.44D4) = Dic10⋊3C8 | central extension (φ=1) | 320 | C2.1(C20.44D4) | 320,14 | |
| C2.2(C20.44D4) = C20.39C42 | central extension (φ=1) | 320 | C2.2(C20.44D4) | 320,109 | |
| C2.3(C20.44D4) = C23.30D20 | central stem extension (φ=1) | 80 | C2.3(C20.44D4) | 320,25 | |
| C2.4(C20.44D4) = C4.Dic20 | central stem extension (φ=1) | 320 | C2.4(C20.44D4) | 320,39 | |
| C2.5(C20.44D4) = C20.47D8 | central stem extension (φ=1) | 320 | C2.5(C20.44D4) | 320,40 |