Extensions 1→N→G→Q→1 with N=C42 and Q=C2

Direct product G=N×Q with N=C42 and Q=C2
dρLabelID
C2×C4232C2xC4^232,21

Semidirect products G=N:Q with N=C42 and Q=C2
extensionφ:Q→Aut NdρLabelID
C421C2 = C42⋊C2φ: C2/C1C2 ⊆ Aut C4216C4^2:1C232,24
C422C2 = C422C2φ: C2/C1C2 ⊆ Aut C4216C4^2:2C232,33
C423C2 = C4≀C2φ: C2/C1C2 ⊆ Aut C4282C4^2:3C232,11
C424C2 = C4×D4φ: C2/C1C2 ⊆ Aut C4216C4^2:4C232,25
C425C2 = C4.4D4φ: C2/C1C2 ⊆ Aut C4216C4^2:5C232,31
C426C2 = C41D4φ: C2/C1C2 ⊆ Aut C4216C4^2:6C232,34

Non-split extensions G=N.Q with N=C42 and Q=C2
extensionφ:Q→Aut NdρLabelID
C42.1C2 = C8⋊C4φ: C2/C1C2 ⊆ Aut C4232C4^2.1C232,4
C42.2C2 = C4⋊C8φ: C2/C1C2 ⊆ Aut C4232C4^2.2C232,12
C42.3C2 = C4×Q8φ: C2/C1C2 ⊆ Aut C4232C4^2.3C232,26
C42.4C2 = C42.C2φ: C2/C1C2 ⊆ Aut C4232C4^2.4C232,32
C42.5C2 = C4⋊Q8φ: C2/C1C2 ⊆ Aut C4232C4^2.5C232,35

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