Extensions 1→N→G→Q→1 with N=C22 and Q=D31

Direct product G=NxQ with N=C22 and Q=D31
dρLabelID
C22xD31124C2^2xD31248,11

Semidirect products G=N:Q with N=C22 and Q=D31
extensionφ:Q→Aut NdρLabelID
C22:D31 = C31:D4φ: D31/C31C2 ⊆ Aut C221242C2^2:D31248,7

Non-split extensions G=N.Q with N=C22 and Q=D31
extensionφ:Q→Aut NdρLabelID
C22.D31 = C2xDic31central extension (φ=1)248C2^2.D31248,6

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