Subgroups — #31801009

Order 17728.

114 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#17984573	C₂	1	1	yes	maximal, characteristic
2	C₂×D₂₇₇⋊C₈	C₂	1	1	yes	maximal, characteristic
3	#22579947	C₂	1	2	yes	maximal, complemented
4	C₄⋊#14555667	C₂	1	2	yes	maximal, complemented
5	#22579838	C₂	1	1	yes	maximal, characteristic
6	#17984573	—	2	2	no	—
7	D₂₇₇⋊C₈	—	2	2	no	—
8	C₂×#14555667	C₂²	1	1	yes	characteristic
9	C₂×#14555667	C₂²	1	2	yes	—
10	C₂×#14555667	C₂²	1	1	yes	characteristic
11	C₂×C₄×D₂₇₇	C₂²	1	1	yes	characteristic
12	C₄⋊Dic₂₇₇	C₄	1	1	yes	characteristic
13	#17984540	C₄	1	2	yes	—
14	C₄×Dic₂₇₇	C₂²	1	2	yes	—
15	C₄⋊C₄×C₂₇₇	C₄	1	1	yes	characteristic
16	#14555667	—	2	1	no	—
17	#14555667	—	2	1	no	—
18	#14555667	—	2	2	no	—
19	C₂²×D₂₇₇	C₂×C₄	1	1	yes	characteristic
20	C₂×Dic₂₇₇	C₂×C₄	1	2	yes	—
21	C₂×Dic₂₇₇	C₂³	1	1	yes	characteristic
22	C₄×D₂₇₇	D₄	1	2	yes	—
23	C₄×D₂₇₇	Q₈	1	2	yes	—
24	C₂×C₄×C₂₇₇	C₂×C₄	1	2	yes	—
25	C₂×C₄×C₂₇₇	C₂×C₄	1	1	yes	characteristic
26	C₂²×C₂₇₇	C₂²×C₄	1	1	yes	characteristic
27	C₂×D₂₇₇	—	2	1	no	—
28	C₂×D₂₇₇	—	2	1	no	—
29	C₂×D₂₇₇	C₄⋊C₄	1	2	yes	—
30	C₄×C₂₇₇	—	2	2	no	—
31	C₄×C₂₇₇	C₄⋊C₄	1	2	yes	—
32	Dic₂₇₇	—	2	2	no	—
33	Dic₂₇₇	C₂×D₄	1	1	yes	characteristic
34	Dic₂₇₇	C₂×Q₈	1	1	yes	characteristic
35	C₂×C₂₇₇	C₂×C₄⋊C₄	1	1	yes	characteristic
36	C₂×C₂₇₇	#131	1	1	yes	characteristic
37	C₂×C₂₇₇	#131	1	1	yes	characteristic
38	D₂₇₇	—	2	2	no	—
39	C₂₇₇	#424	1	1	yes	characteristic, complemented, Sylow
40	#424	—	277	1	no	maximal, Sylow
41	C₂×M₁₆	—	277	1	no	—
42	C₂²×C₈	—	277	1	no	—
43	#117	—	277	1	no	—
44	C₄⋊C₈	—	277	2	no	—
45	C₄⋊C₈	—	277	2	no	—
46	C₂²×C₄	—	277	1	no	—
47	M₁₆	—	554	2	no	—
48	C₂×C₈	—	277	1	no	—
49	C₂×C₈	—	277	1	no	—
50	C₂×C₈	—	277	2	no	—
51	C₂×C₈	—	554	2	no	—
52	C₄⋊C₄	—	277	1	no	—
53	C₄⋊C₄	#11764308	1	1	yes	characteristic
54	C₂²⋊C₄	—	277	2	no	—
55	C₄²	—	277	2	no	—
56	C₂³	—	277	1	no	—
57	C₂×C₄	—	277	1	no	—
58	C₂×C₄	—	277	2	no	—
59	C₂×C₄	—	277	2	no	—
60	C₂×C₄	—	277	2	no	—
61	C₂×C₄	C₂×#11764308	1	2	yes	—
62	C₂×C₄	C₂×#11764308	1	1	yes	characteristic
63	C₈	—	554	1	no	—
64	C₈	—	554	1	no	—
65	C₈	—	554	2	no	—
66	C₂²	—	277	2	no	—
67	C₂²	—	554	1	no	—
68	C₂²	—	554	1	no	—
69	C₂²	C₂²×#11764308	1	1	yes	characteristic
70	C₄	—	2	2	no	—
71	C₄	—	277	1	no	—
72	C₄	—	277	1	no	—
73	C₄	—	554	2	no	—
74	C₄	C₄⋊#11764308	1	2	yes	—
75	C₂	—	554	2	no	—
76	C₂	C₂×C₄⋊#11764308	1	1	yes	characteristic
77	C₂	#22579967	1	1	yes	characteristic
78	C₂	#22579968	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂²	C₂²×#11764308
commutator, socle	C₂²×C₂₇₇	C₂²×C₄
Fitting	C₄⋊C₄×C₂₇₇	C₄
prime radical	C₂²×D₂₇₇	C₂×C₄
cosocle	C₂×Dic₂₇₇	C₂³
hypercenter	C₄⋊C₄	#11764308
hypocenter	C₂₇₇	#424
LCS	G ▷ C₂²×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂² ◁ C₄⋊C₄

Complements

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

N	H ≅ G/N	type
3. #22579947	C₂	semidirect
4. C₄⋊#14555667	C₂	semidirect
39. C₂₇₇	#424	semidirect

Maximal subgroups

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

subgroup	index
C₂×#17984573	2
C₂×D₂₇₇⋊C₈	2
#22579947	2
C₄⋊#14555667	2
#22579838	2
#424	277