Extensions 1→N→G→Q→1 with N=D42Q8 and Q=C2

Direct product G=N×Q with N=D42Q8 and Q=C2
dρLabelID
C2×D42Q864C2xD4:2Q8128,1803

Semidirect products G=N:Q with N=D42Q8 and Q=C2
extensionφ:Q→Out NdρLabelID
D42Q81C2 = C42.219D4φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:1C2128,1809
D42Q82C2 = C42.448D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:2C2128,1811
D42Q83C2 = C42.20C23φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:3C2128,1813
D42Q84C2 = C42.23C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:4C2128,1816
D42Q85C2 = C42.227D4φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:5C2128,1841
D42Q86C2 = C42.234D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:6C2128,1848
D42Q87C2 = C42.352C23φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:7C2128,1850
D42Q88C2 = C42.359C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:8C2128,1857
D42Q89C2 = C42.287D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:9C2128,1967
D42Q810C2 = C42.290D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:10C2128,1970
D42Q811C2 = C42.423C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:11C2128,1973
D42Q812C2 = C42.426C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:12C2128,1976
D42Q813C2 = C42.300D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:13C2128,1984
D42Q814C2 = C42.301D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:14C2128,1985
D42Q815C2 = C4.2- 1+4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:15C2128,1989
D42Q816C2 = C42.30C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:16C2128,1995
D42Q817C2 = C42.41C23φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:17C2128,2038
D42Q818C2 = C42.46C23φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:18C2128,2043
D42Q819C2 = C42.474C23φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:19C2128,2057
D42Q820C2 = C42.480C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:20C2128,2063
D42Q821C2 = C42.59C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:21C2128,2077
D42Q822C2 = C42.64C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:22C2128,2082
D42Q823C2 = C42.495C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:23C2128,2086
D42Q824C2 = C42.498C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:24C2128,2089
D42Q825C2 = C42.507C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:25C2128,2098
D42Q826C2 = C42.512C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:26C2128,2103
D42Q827C2 = C42.514C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:27C2128,2105
D42Q828C2 = D84Q8φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:28C2128,2116
D42Q829C2 = D42SD16φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:29C2128,361
D42Q830C2 = Q82SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:30C2128,363
D42Q831C2 = C42.195C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:31C2128,366
D42Q832C2 = D4.SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:32C2128,367
D42Q833C2 = D4.2SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:33C2128,409
D42Q834C2 = C42.248C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:34C2128,429
D42Q835C2 = C42.279D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:35C2128,1959
D42Q836C2 = C42.285D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:36C2128,1965
D42Q837C2 = C42.294D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:37C2128,1978
D42Q838C2 = C42.295D4φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:38C2128,1979
D42Q839C2 = D47SD16φ: C2/C1C2 ⊆ Out D42Q832D4:2Q8:39C2128,2027
D42Q840C2 = C42.468C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:40C2128,2035
D42Q841C2 = D49SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:41C2128,2067
D42Q842C2 = C42.490C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:42C2128,2073
D42Q843C2 = C42.501C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:43C2128,2092
D42Q844C2 = Q88SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:44C2128,2094
D42Q845C2 = D86Q8φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8:45C2128,2112
D42Q846C2 = C42.447D4φ: trivial image64D4:2Q8:46C2128,1808
D42Q847C2 = C42.222D4φ: trivial image32D4:2Q8:47C2128,1833
D42Q848C2 = C42.450D4φ: trivial image64D4:2Q8:48C2128,1838

Non-split extensions G=N.Q with N=D42Q8 and Q=C2
extensionφ:Q→Out NdρLabelID
D42Q8.1C2 = C42.510C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.1C2128,2101
D42Q8.2C2 = SD16⋊Q8φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.2C2128,2117
D42Q8.3C2 = SD163Q8φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.3C2128,2120
D42Q8.4C2 = D4⋊Q16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.4C2128,364
D42Q8.5C2 = D4.3Q16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.5C2128,369
D42Q8.6C2 = C42.199C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.6C2128,370
D42Q8.7C2 = C811SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.7C2128,403
D42Q8.8C2 = D4.1Q16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.8C2128,407
D42Q8.9C2 = D4.Q16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.9C2128,415
D42Q8.10C2 = C83SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.10C2128,423
D42Q8.11C2 = C8.8SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.11C2128,427
D42Q8.12C2 = C42.254C23φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.12C2128,435
D42Q8.13C2 = Q8×SD16φ: C2/C1C2 ⊆ Out D42Q864D4:2Q8.13C2128,2111

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