Extensions 1→N→G→Q→1 with N=C142 and Q=C2

Direct product G=N×Q with N=C142 and Q=C2
dρLabelID
C2×C142284C2xC142284,4

Semidirect products G=N:Q with N=C142 and Q=C2
extensionφ:Q→Aut NdρLabelID
C142⋊C2 = D142φ: C2/C1C2 ⊆ Aut C1421422+C142:C2284,3

Non-split extensions G=N.Q with N=C142 and Q=C2
extensionφ:Q→Aut NdρLabelID
C142.C2 = Dic71φ: C2/C1C2 ⊆ Aut C1422842-C142.C2284,1

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