Extensions 1→N→G→Q→1 with N=D74 and Q=C2

Direct product G=NxQ with N=D74 and Q=C2
dρLabelID
C22xD37148C2^2xD37296,13

Semidirect products G=N:Q with N=D74 and Q=C2
extensionφ:Q→Out NdρLabelID
D74:1C2 = D148φ: C2/C1C2 ⊆ Out D741482+D74:1C2296,6
D74:2C2 = C37:D4φ: C2/C1C2 ⊆ Out D741482D74:2C2296,8

Non-split extensions G=N.Q with N=D74 and Q=C2
extensionφ:Q→Out NdρLabelID
D74.C2 = C2xC37:C4φ: C2/C1C2 ⊆ Out D74744+D74.C2296,12
D74.2C2 = C4xD37φ: trivial image1482D74.2C2296,5

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