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Extensions 1→N→G→Q→1 with N=C8.2D4 and Q=C2

Direct product G=NxQ with N=C8.2D4 and Q=C2
dρLabelID
C2xC8.2D464C2xC8.2D4128,1881

Semidirect products G=N:Q with N=C8.2D4 and Q=C2
extensionφ:Q→Out NdρLabelID
C8.2D4:1C2 = C42.5C23φ: C2/C1 → C2 ⊆ Out C8.2D432C8.2D4:1C2128,391
C8.2D4:2C2 = C42.7C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:2C2128,393
C8.2D4:3C2 = M4(2):8D4φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:3C2128,1884
C8.2D4:4C2 = M4(2):9D4φ: C2/C1 → C2 ⊆ Out C8.2D432C8.2D4:4C2128,1885
C8.2D4:5C2 = M4(2):10D4φ: C2/C1 → C2 ⊆ Out C8.2D432C8.2D4:5C2128,1886
C8.2D4:6C2 = M4(2).20D4φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:6C2128,1888
C8.2D4:7C2 = C42.390C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:7C2128,1910
C8.2D4:8C2 = C42.258D4φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:8C2128,1913
C8.2D4:9C2 = C42.273D4φ: C2/C1 → C2 ⊆ Out C8.2D432C8.2D4:9C2128,1947
C8.2D4:10C2 = C42.274D4φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:10C2128,1948
C8.2D4:11C2 = C42.276D4φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:11C2128,1950
C8.2D4:12C2 = C42.277D4φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:12C2128,1951
C8.2D4:13C2 = C42.408C23φ: C2/C1 → C2 ⊆ Out C8.2D432C8.2D4:13C2128,1954
C8.2D4:14C2 = C42.409C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:14C2128,1955
C8.2D4:15C2 = C42.411C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:15C2128,1957
C8.2D4:16C2 = SD16:6D4φ: C2/C1 → C2 ⊆ Out C8.2D432C8.2D4:16C2128,1998
C8.2D4:17C2 = D8:10D4φ: C2/C1 → C2 ⊆ Out C8.2D432C8.2D4:17C2128,1999
C8.2D4:18C2 = SD16:8D4φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:18C2128,2001
C8.2D4:19C2 = Q16:9D4φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:19C2128,2002
C8.2D4:20C2 = D8.13D4φ: C2/C1 → C2 ⊆ Out C8.2D4328-C8.2D4:20C2128,2021
C8.2D4:21C2 = C42.75C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:21C2128,2132
C8.2D4:22C2 = C42.531C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:22C2128,2133
C8.2D4:23C2 = C42.532C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4:23C2128,2134
C8.2D4:24C2 = C42.247D4φ: trivial image64C8.2D4:24C2128,1882
C8.2D4:25C2 = C42.256D4φ: trivial image64C8.2D4:25C2128,1904

Non-split extensions G=N.Q with N=C8.2D4 and Q=C2
extensionφ:Q→Out NdρLabelID
C8.2D4.1C2 = (C2xD4).D4φ: C2/C1 → C2 ⊆ Out C8.2D4328-C8.2D4.1C2128,139
C8.2D4.2C2 = C42.6C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4.2C2128,392
C8.2D4.3C2 = C42.73C23φ: C2/C1 → C2 ⊆ Out C8.2D464C8.2D4.3C2128,2130

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