Extensions 1→N→G→Q→1 with N=C₂ and Q=C₉xC₄oD₄

Direct product G=NxQ with N=C₂ and Q=C₉xC₄oD₄

		d	ρ	Label	ID
C₄oD₄xC₁₈		144		C4oD4xC18	288,370

Non-split extensions G=N.Q with N=C₂ and Q=C₉xC₄oD₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₉xC₄oD₄) = C₉xC₄²:C₂	central extension (φ=1)	144		C2.1(C9xC4oD4)	288,167
C₂.₂(C₉xC₄oD₄) = D₄xC₃₆	central extension (φ=1)	144		C2.2(C9xC4oD4)	288,168
C₂.₃(C₉xC₄oD₄) = Q₈xC₃₆	central extension (φ=1)	288		C2.3(C9xC4oD4)	288,169
C₂.₄(C₉xC₄oD₄) = C₉xC₄:D₄	central stem extension (φ=1)	144		C2.4(C9xC4oD4)	288,171
C₂.₅(C₉xC₄oD₄) = C₉xC₂²:Q₈	central stem extension (φ=1)	144		C2.5(C9xC4oD4)	288,172
C₂.₆(C₉xC₄oD₄) = C₉xC₂².D₄	central stem extension (φ=1)	144		C2.6(C9xC4oD4)	288,173
C₂.₇(C₉xC₄oD₄) = C₉xC₄.₄D₄	central stem extension (φ=1)	144		C2.7(C9xC4oD4)	288,174
C₂.₈(C₉xC₄oD₄) = C₉xC₄².C₂	central stem extension (φ=1)	288		C2.8(C9xC4oD4)	288,175
C₂.₉(C₉xC₄oD₄) = C₉xC₄²:₂C₂	central stem extension (φ=1)	144		C2.9(C9xC4oD4)	288,176

׿

x

:

Z

F

o

wr

Q

<