Extensions 1→N→G→Q→1 with N=C4 and Q=C76

Direct product G=NxQ with N=C4 and Q=C76
dρLabelID
C4xC76304C4xC76304,19

Semidirect products G=N:Q with N=C4 and Q=C76
extensionφ:Q→Aut NdρLabelID
C4:C76 = C4:C4xC19φ: C76/C38C2 ⊆ Aut C4304C4:C76304,21

Non-split extensions G=N.Q with N=C4 and Q=C76
extensionφ:Q→Aut NdρLabelID
C4.C76 = M4(2)xC19φ: C76/C38C2 ⊆ Aut C41522C4.C76304,23

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