Extensions 1→N→G→Q→1 with N=C4 and Q=C90

Direct product G=N×Q with N=C4 and Q=C90
dρLabelID
C2×C180360C2xC180360,30

Semidirect products G=N:Q with N=C4 and Q=C90
extensionφ:Q→Aut NdρLabelID
C4⋊C90 = D4×C45φ: C90/C45C2 ⊆ Aut C41802C4:C90360,31

Non-split extensions G=N.Q with N=C4 and Q=C90
extensionφ:Q→Aut NdρLabelID
C4.C90 = Q8×C45φ: C90/C45C2 ⊆ Aut C43602C4.C90360,32

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