Extensions 1→N→G→Q→1 with N=C2 and Q=D22⋊C4

Direct product G=N×Q with N=C2 and Q=D22⋊C4

Non-split extensions G=N.Q with N=C2 and Q=D22⋊C4
extensionφ:Q→Aut NdρLabelID
C2.1(D22⋊C4) = D22⋊C8central extension (φ=1)176C2.1(D22:C4)352,26
C2.2(D22⋊C4) = C22.C42central extension (φ=1)352C2.2(D22:C4)352,37
C2.3(D22⋊C4) = D441C4central stem extension (φ=1)882C2.3(D22:C4)352,11
C2.4(D22⋊C4) = C22.2D44central stem extension (φ=1)884C2.4(D22:C4)352,12
C2.5(D22⋊C4) = C22.D8central stem extension (φ=1)176C2.5(D22:C4)352,15
C2.6(D22⋊C4) = C22.Q16central stem extension (φ=1)352C2.6(D22:C4)352,16
C2.7(D22⋊C4) = C44.44D4central stem extension (φ=1)352C2.7(D22:C4)352,22
C2.8(D22⋊C4) = C2.D88central stem extension (φ=1)176C2.8(D22:C4)352,27
C2.9(D22⋊C4) = C44.46D4central stem extension (φ=1)884+C2.9(D22:C4)352,29
C2.10(D22⋊C4) = C44.47D4central stem extension (φ=1)1764-C2.10(D22:C4)352,30
C2.11(D22⋊C4) = D444C4central stem extension (φ=1)884C2.11(D22:C4)352,31