Subgroups — #31800968

Order 17728.

130 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×D₂₇₇⋊C₈	C₂	1	1	yes	maximal, characteristic
2	#22579959	C₂	1	1	yes	maximal, characteristic
3	#22579934	C₂	1	2	yes	maximal, complemented
4	C₈×#11764308	C₂	1	2	yes	maximal, complemented
5	M₁₆×D₂₇₇	C₂	1	1	yes	maximal, characteristic
6	D₂₇₇⋊C₈	C₄	1	2	yes	complemented
7	D₂₇₇⋊C₈	C₂²	1	1	yes	characteristic
8	D₂₇₇⋊C₈	C₂²	1	1	yes	characteristic
9	C₂×#14555667	C₄	1	2	yes	complemented
10	C₄⋊#11764308	C₄	1	2	yes	—
11	C₂²⋊#11764308	C₄	1	2	yes	—
12	C₄×#11764308	C₂²	1	2	yes	—
13	C₂×C₄×D₂₇₇	C₂²	1	1	yes	characteristic
14	#17984547	C₄	1	1	yes	characteristic, complemented
15	#17984546	C₄	1	2	yes	complemented
16	C₈×D₂₇₇	C₂²	1	2	yes	—
17	M₁₆×C₂₇₇	C₄	1	1	yes	characteristic, complemented
18	C₂×#11764308	C₂×C₄	1	4	yes	—
19	#14555667	C₂×C₄	1	2	yes	—
20	#14555667	C₂×C₄	1	2	yes	—
21	C₂²×D₂₇₇	C₂×C₄	1	1	yes	characteristic
22	C₂×Dic₂₇₇	C₂×C₄	1	1	yes	characteristic
23	C₄×D₂₇₇	C₂×C₄	1	1	yes	characteristic
24	C₄×D₂₇₇	C₂×C₄	1	1	yes	characteristic
25	C₄×D₂₇₇	C₂×C₄	1	1	yes	characteristic
26	C₄×D₂₇₇	C₂³	1	1	yes	characteristic
27	#14555660	C₂×C₄	1	2	yes	—
28	C₂×C₄×C₂₇₇	C₂×C₄	1	1	yes	characteristic
29	C₈×C₂₇₇	C₂×C₄	1	2	yes	—
30	C₂²×C₂₇₇	C₄²	1	1	yes	characteristic
31	C₂×D₂₇₇	—	2	2	no	—
32	C₂×D₂₇₇	C₄²	1	1	yes	characteristic
33	C₂×D₂₇₇	C₂²×C₄	1	1	yes	characteristic
34	#11764308	—	2	4	no	—
35	C₄×C₂₇₇	C₄²	1	1	yes	characteristic
36	C₄×C₂₇₇	C₂²×C₄	1	1	yes	characteristic
37	Dic₂₇₇	C₄²	1	1	yes	characteristic
38	Dic₂₇₇	C₂²×C₄	1	1	yes	characteristic
39	C₂×C₂₇₇	—	2	1	no	—
40	C₂×C₂₇₇	C₂×C₄²	1	1	yes	characteristic
41	D₂₇₇	—	2	1	no	—
42	D₂₇₇	#131	1	2	yes	—
43	C₂₇₇	#405	1	1	yes	characteristic, complemented, Sylow
44	#405	—	277	1	no	maximal, Sylow
45	C₂×M₁₆	—	277	1	no	—
46	C₂²×C₈	—	277	1	no	—
47	#117	—	277	1	no	—
48	#97	—	277	2	no	—
49	C₄×C₈	—	277	2	no	—
50	C₂²×C₄	—	277	1	no	—
51	M₁₆	—	277	1	no	—
52	M₁₆	—	277	2	no	—
53	M₁₆	#11764308	1	1	yes	characteristic, complemented
54	C₂×C₈	—	277	2	no	—
55	C₂×C₈	—	277	2	no	—
56	C₂×C₈	—	277	1	no	—
57	C₂×C₈	—	277	1	no	—
58	C₂×C₈	—	277	2	no	—
59	C₄⋊C₄	—	277	2	no	—
60	C₂²⋊C₄	—	277	2	no	—
61	C₄²	—	277	2	no	—
62	C₂³	—	277	1	no	—
63	C₂×C₄	—	277	1	no	—
64	C₂×C₄	—	277	1	no	—
65	C₂×C₄	—	277	1	no	—
66	C₂×C₄	—	277	1	no	—
67	C₂×C₄	—	277	1	no	—
68	C₂×C₄	—	277	4	no	—
69	C₂×C₄	C₂×#11764308	1	1	yes	characteristic
70	C₈	—	277	2	no	—
71	C₈	—	277	2	no	—
72	C₈	—	277	2	no	—
73	C₈	C₂×#11764308	1	2	yes	—
74	C₂²	—	277	1	no	—
75	C₂²	—	277	1	no	—
76	C₂²	—	554	2	no	—
77	C₂²	C₄×#11764308	1	1	yes	characteristic
78	C₄	—	277	1	no	—
79	C₄	—	277	1	no	—
80	C₄	—	554	4	no	—
81	C₄	C₄×#11764308	1	1	yes	characteristic
82	C₄	C₂²×#11764308	1	1	yes	characteristic
83	C₂	—	2	1	no	—
84	C₂	—	277	2	no	—
85	C₂	—	554	1	no	—
86	C₂	C₂×C₄×#11764308	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₄	C₂²×#11764308
commutator, socle	C₂×C₂₇₇	C₂×C₄²
Fitting	M₁₆×C₂₇₇	C₄
prime radical	C₂²×D₂₇₇	C₂×C₄
cosocle	C₄×D₂₇₇	C₂³
hypercenter	M₁₆	#11764308
hypocenter	C₂₇₇	#405
LCS	G ▷ C₂×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₄ ◁ M₁₆

Complements

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

N	H ≅ G/N	type
3. #22579934	C₂	semidirect
4. C₈×#11764308	C₂	semidirect
6. D₂₇₇⋊C₈	C₄	semidirect
9. C₂×#14555667	C₄	semidirect
14. #17984547	C₄	semidirect
15. #17984546	C₄	semidirect
17. M₁₆×C₂₇₇	C₄	semidirect
43. C₂₇₇	#405	semidirect
53. M₁₆	#11764308	semidirect

Maximal subgroups

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

subgroup	index
C₂×D₂₇₇⋊C₈	2
#22579959	2
#22579934	2
C₈×#11764308	2
M₁₆×D₂₇₇	2
#405	277