Extensions 1→N→G→Q→1 with N=C7:D7 and Q=C2

Direct product G=NxQ with N=C7:D7 and Q=C2
dρLabelID
C2xC7:D798C2xC7:D7196,11

Semidirect products G=N:Q with N=C7:D7 and Q=C2
extensionφ:Q→Out NdρLabelID
C7:D7:C2 = D72φ: C2/C1C2 ⊆ Out C7:D7144+C7:D7:C2196,9

Non-split extensions G=N.Q with N=C7:D7 and Q=C2
extensionφ:Q→Out NdρLabelID
C7:D7.C2 = C72:C4φ: C2/C1C2 ⊆ Out C7:D7144+C7:D7.C2196,8

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