Extensions 1→N→G→Q→1 with N=D42 and Q=C2

Direct product G=N×Q with N=D42 and Q=C2
dρLabelID
C2×D4232C2xD4^2128,2194

Semidirect products G=N:Q with N=D42 and Q=C2
extensionφ:Q→Out NdρLabelID
D42⋊1C2 = D4⋊D8φ: C2/C1 → C2 ⊆ Out D4232D4^2:1C2128,351
D42⋊2C2 = D4≀C2φ: C2/C1 → C2 ⊆ Out D4284+D4^2:2C2128,928
D42⋊3C2 = D8⋊9D4φ: C2/C1 → C2 ⊆ Out D4232D4^2:3C2128,1996
D42⋊4C2 = SD16⋊D4φ: C2/C1 → C2 ⊆ Out D4232D4^2:4C2128,1997
D42⋊5C2 = D8⋊4D4φ: C2/C1 → C2 ⊆ Out D4232D4^2:5C2128,2004
D42⋊6C2 = SD16⋊1D4φ: C2/C1 → C2 ⊆ Out D4232D4^2:6C2128,2006
D42⋊7C2 = D4×D8φ: C2/C1 → C2 ⊆ Out D4232D4^2:7C2128,2011
D42⋊8C2 = D4⋊4D8φ: C2/C1 → C2 ⊆ Out D4232D4^2:8C2128,2026
D42⋊9C2 = C42.53C23φ: C2/C1 → C2 ⊆ Out D4232D4^2:9C2128,2050
D42⋊10C2 = C42.474C23φ: C2/C1 → C2 ⊆ Out D4232D4^2:10C2128,2057
D42⋊11C2 = C22.73C25φ: C2/C1 → C2 ⊆ Out D4216D4^2:11C2128,2216
D42⋊12C2 = C22.77C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:12C2128,2220
D42⋊13C2 = C4⋊2+ 1+4φ: C2/C1 → C2 ⊆ Out D4232D4^2:13C2128,2228
D42⋊14C2 = C22.87C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:14C2128,2230
D42⋊15C2 = C22.102C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:15C2128,2245
D42⋊16C2 = C22.103C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:16C2128,2246
D42⋊17C2 = C22.108C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:17C2128,2251
D42⋊18C2 = C42⋊C23φ: C2/C1 → C2 ⊆ Out D4216D4^2:18C2128,2264
D42⋊19C2 = C22.123C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:19C2128,2266
D42⋊20C2 = C22.126C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:20C2128,2269
D42⋊21C2 = C22.131C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:21C2128,2274
D42⋊22C2 = C22.132C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:22C2128,2275
D42⋊23C2 = C22.135C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:23C2128,2278
D42⋊24C2 = C22.138C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:24C2128,2281
D42⋊25C2 = C22.147C25φ: C2/C1 → C2 ⊆ Out D4232D4^2:25C2128,2290
D42⋊26C2 = D4×C4○D4φ: trivial image32D4^2:26C2128,2200
D42⋊27C2 = C22.70C25φ: trivial image32D4^2:27C2128,2213

Non-split extensions G=N.Q with N=D42 and Q=C2
extensionφ:Q→Out NdρLabelID
D42.1C2 = D4⋊2SD16φ: C2/C1 → C2 ⊆ Out D4232D4^2.1C2128,361
D42.2C2 = D4.D8φ: C2/C1 → C2 ⊆ Out D4232D4^2.2C2128,371
D42.3C2 = D4×SD16φ: C2/C1 → C2 ⊆ Out D4232D4^2.3C2128,2013
D42.4C2 = D4⋊7SD16φ: C2/C1 → C2 ⊆ Out D4232D4^2.4C2128,2027
D42.5C2 = C42.45C23φ: C2/C1 → C2 ⊆ Out D4232D4^2.5C2128,2042
D42.6C2 = C42.473C23φ: C2/C1 → C2 ⊆ Out D4232D4^2.6C2128,2056

׿
×
⋊
ℤ
𝔽
○
≀
ℚ
◁