Extensions 1→N→G→Q→1 with N=C22 and Q=C2

Direct product G=N×Q with N=C22 and Q=C2
dρLabelID
C238C2^38,5

Semidirect products G=N:Q with N=C22 and Q=C2
extensionφ:Q→Aut NdρLabelID
C22⋊C2 = D4φ: C2/C1C2 ⊆ Aut C2242+C2^2:C28,3


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