Subgroups — #63500

Order 288.

141 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×D₄×C₉	C₂	1	1	yes	maximal, characteristic, complemented
2	C₂×#611	C₂	1	2	yes	maximal, complemented
3	C₂×C₄×D₉	C₂	1	1	yes	maximal, characteristic, complemented
4	#3676	C₂	1	2	yes	maximal, complemented
5	C₄⋊Dic₉	C₂	1	1	yes	maximal, characteristic, complemented
6	#938	—	3	1	no	maximal
7	C₂³×C₉	C₂²	1	2	yes	—
8	C₂²×D₉	C₂²	1	1	yes	characteristic
9	D₄×C₉	—	2	2	no	—
10	C₂×C₄×C₉	C₂²	1	1	yes	characteristic
11	#611	—	2	4	no	—
12	C₂×Dic₉	C₂²	1	2	yes	—
13	C₂×Dic₉	C₂²	1	1	yes	characteristic
14	C₄×D₉	—	2	2	no	—
15	C₂×C₃×D₄	D₃	1	1	yes	characteristic
16	C₂×#67	—	3	2	no	—
17	C₂×C₄×D₃	—	3	1	no	—
18	#217	—	3	2	no	—
19	C₄⋊Dic₃	—	3	1	no	—
20	C₂²×C₉	—	2	2	no	—
21	C₂²×C₉	—	2	2	no	—
22	C₂²×C₉	—	2	2	no	—
23	C₂²×C₉	C₂³	1	1	yes	characteristic
24	C₂×D₉	—	2	1	no	—
25	C₂×D₉	—	2	1	no	—
26	C₂×D₉	D₄	1	2	yes	complemented
27	C₄×C₉	D₄	1	2	yes	complemented
28	Dic₉	—	2	1	no	—
29	Dic₉	—	2	2	no	—
30	#121	—	9	1	no	Sylow
31	C₂³×C₃	C₂×D₃	1	2	yes	—
32	C₂²×D₃	—	3	1	no	—
33	C₃×D₄	—	2	2	no	—
34	C₂×C₃×C₄	C₂×D₃	1	1	yes	characteristic
35	#67	—	6	4	no	—
36	C₂×Dic₃	—	3	2	no	—
37	C₂×Dic₃	—	3	1	no	—
38	C₄×D₃	—	6	2	no	—
39	C₂×C₉	—	4	2	no	—
40	C₂×C₉	C₂×D₄	1	1	yes	characteristic
41	C₂×C₉	C₂×D₄	1	1	yes	characteristic
42	C₂×C₉	#41	1	1	yes	characteristic
43	D₉	—	2	2	no	—
44	C₂×D₄	—	9	2	no	—
45	C₂×D₄	D₉	1	1	yes	characteristic, complemented
46	C₂²×C₄	—	9	1	no	—
47	C₄⋊C₄	—	9	1	no	—
48	C₂²⋊C₄	—	9	2	no	—
49	C₂²×C₃	—	2	2	no	—
50	C₂²×C₃	—	2	2	no	—
51	C₂²×C₃	—	2	2	no	—
52	C₂²×C₃	C₂²×D₃	1	1	yes	characteristic
53	C₂×D₃	—	3	2	no	—
54	C₂×D₃	—	6	1	no	—
55	C₂×D₃	—	6	1	no	—
56	C₃×C₄	#67	1	2	yes	—
57	Dic₃	—	6	2	no	—
58	Dic₃	—	6	1	no	—
59	C₉	#121	1	1	yes	characteristic, complemented, Sylow
60	C₂³	—	9	1	no	—
61	C₂³	C₂×D₉	1	2	yes	—
62	D₄	—	2	2	no	—
63	D₄	—	18	4	no	—
64	C₂×C₄	—	9	1	no	—
65	C₂×C₄	—	9	2	no	—
66	C₂×C₄	—	18	2	no	—
67	C₂×C₄	C₂×D₉	1	1	yes	characteristic
68	C₂×C₃	—	4	2	no	—
69	C₂×C₃	D₃×D₄	1	1	yes	characteristic
70	C₂×C₃	#237	1	1	yes	characteristic
71	C₂×C₃	C₂×#67	1	1	yes	characteristic
72	D₃	—	6	2	no	—
73	C₂²	—	2	2	no	—
74	C₂²	—	2	2	no	—
75	C₂²	—	2	2	no	—
76	C₂²	—	9	2	no	—
77	C₂²	—	18	1	no	—
78	C₂²	—	18	1	no	—
79	C₂²	C₂²×D₉	1	1	yes	characteristic
80	C₄	—	18	2	no	—
81	C₄	—	18	1	no	—
82	C₄	#611	1	2	yes	complemented
83	C₃	#938	1	1	yes	characteristic
84	C₂	—	4	2	no	—
85	C₂	—	18	2	no	—
86	C₂	D₄×D₉	1	1	yes	characteristic
87	C₂	#3699	1	1	yes	characteristic
88	C₂	C₂×#611	1	1	yes	characteristic

	subgroup	G/H
center	C₂²	C₂²×D₉
commutator, cosocle	C₂²×C₉	C₂³
Frattini, socle	C₂²×C₃	C₂²×D₃
Fitting	C₂×D₄×C₉	C₂
hypercenter	C₂×D₄	D₉
hypocenter	C₉	#121
LCS	G ▷ C₂²×C₉ ▷ C₉
UCS	C₁ ◁ C₂² ◁ C₂×D₄

Complements

Splittings G = N ⋊ H with N normal; H ≅ G/N.

N	H ≅ G/N	type
1. C₂×D₄×C₉	C₂	semidirect
2. C₂×#611	C₂	semidirect
3. C₂×C₄×D₉	C₂	semidirect
4. #3676	C₂	semidirect
5. C₄⋊Dic₉	C₂	semidirect
26. C₂×D₉	D₄	semidirect
27. C₄×C₉	D₄	semidirect
45. C₂×D₄	D₉	semidirect
59. C₉	#121	semidirect
82. C₄	#611	semidirect

Maximal subgroups

By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.

subgroup	index
C₂×D₄×C₉	2
C₂×#611	2
C₂×C₄×D₉	2
#3676	2
C₄⋊Dic₉	2
#938	3