Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂³xD₉

Direct product G=NxQ with N=C₂ and Q=C₂³xD₉

		d	ρ	Label	ID
C₂⁴xD₉		144		C2^4xD9	288,839

Non-split extensions G=N.Q with N=C₂ and Q=C₂³xD₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂³xD₉) = C₂²xC₄xD₉	central extension (φ=1)	144		C2.1(C2^3xD9)	288,353
C₂.₂(C₂³xD₉) = C₂³xDic₉	central extension (φ=1)	288		C2.2(C2^3xD9)	288,365
C₂.₃(C₂³xD₉) = C₂²xDic₁₈	central stem extension (φ=1)	288		C2.3(C2^3xD9)	288,352
C₂.₄(C₂³xD₉) = C₂²xD₃₆	central stem extension (φ=1)	144		C2.4(C2^3xD9)	288,354
C₂.₅(C₂³xD₉) = C₂xD₃₆:₅C₂	central stem extension (φ=1)	144		C2.5(C2^3xD9)	288,355
C₂.₆(C₂³xD₉) = C₂xD₄xD₉	central stem extension (φ=1)	72		C2.6(C2^3xD9)	288,356
C₂.₇(C₂³xD₉) = C₂xD₄:₂D₉	central stem extension (φ=1)	144		C2.7(C2^3xD9)	288,357
C₂.₈(C₂³xD₉) = D₄:₆D₁₈	central stem extension (φ=1)	72	4	C2.8(C2^3xD9)	288,358
C₂.₉(C₂³xD₉) = C₂xQ₈xD₉	central stem extension (φ=1)	144		C2.9(C2^3xD9)	288,359
C₂.₁₀(C₂³xD₉) = C₂xQ₈:₃D₉	central stem extension (φ=1)	144		C2.10(C2^3xD9)	288,360
C₂.₁₁(C₂³xD₉) = Q₈.₁₅D₁₈	central stem extension (φ=1)	144	4	C2.11(C2^3xD9)	288,361
C₂.₁₂(C₂³xD₉) = C₄oD₄xD₉	central stem extension (φ=1)	72	4	C2.12(C2^3xD9)	288,362
C₂.₁₃(C₂³xD₉) = D₄:₈D₁₈	central stem extension (φ=1)	72	4+	C2.13(C2^3xD9)	288,363
C₂.₁₄(C₂³xD₉) = D₄.₁₀D₁₈	central stem extension (φ=1)	144	4-	C2.14(C2^3xD9)	288,364
C₂.₁₅(C₂³xD₉) = C₂²xC₉:D₄	central stem extension (φ=1)	144		C2.15(C2^3xD9)	288,366

׿

x

:

Z

F

o

wr

Q

<