Subgroups — #31800391

Order 17728.

144 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#17984552	C₂	1	2	yes	maximal, complemented
2	C₂×D₂₂₁₆	C₂	1	2	yes	maximal, complemented
3	#22579877	C₂	1	1	yes	maximal, characteristic, complemented
4	#22579868	C₂	1	1	yes	maximal, characteristic, complemented
5	#97×C₂₇₇	C₂	1	1	yes	maximal, characteristic, complemented
6	C₂×Dic₅₅₄	C₂²	1	1	yes	characteristic
7	C₂×D₁₁₀₈	—	2	2	no	—
8	C₂×D₁₁₀₈	C₂²	1	1	yes	characteristic
9	C₂×D₁₁₀₈	C₂²	1	2	yes	—
10	#17984552	—	2	4	no	—
11	D₂₂₁₆	—	2	4	no	—
12	#17984540	—	2	2	no	—
13	C₂×C₈×C₂₇₇	C₂²	1	2	yes	—
14	C₄²×C₂₇₇	C₂²	1	1	yes	characteristic
15	C₂²×D₂₇₇	—	2	1	no	—
16	C₂²×D₂₇₇	—	2	2	no	—
17	Dic₅₅₄	—	2	2	no	—
18	D₁₁₀₈	—	2	2	no	—
19	D₁₁₀₈	—	2	2	no	—
20	D₁₁₀₈	—	2	2	no	—
21	D₁₁₀₈	—	4	4	no	—
22	C₂×Dic₂₇₇	—	2	1	no	—
23	C₂×C₄×C₂₇₇	D₄	1	2	yes	—
24	C₂×C₄×C₂₇₇	C₂³	1	1	yes	characteristic
25	C₈×C₂₇₇	D₄	1	4	yes	complemented
26	C₂²×C₂₇₇	C₂×D₄	1	1	yes	characteristic
27	C₂×D₂₇₇	—	4	1	no	—
28	C₂×D₂₇₇	—	4	2	no	—
29	C₂×D₂₇₇	—	4	4	no	—
30	C₂×D₂₇₇	—	4	2	no	—
31	C₄×C₂₇₇	—	2	2	no	—
32	C₄×C₂₇₇	C₂×D₄	1	2	yes	—
33	Dic₂₇₇	—	4	1	no	—
34	C₂×C₂₇₇	#127	1	1	yes	characteristic
35	C₂×C₂₇₇	AGL(1,ℤ/8)	1	2	yes	—
36	D₂₇₇	—	8	2	no	—
37	D₂₇₇	—	8	1	no	—
38	C₂₇₇	#496	1	1	yes	characteristic, complemented, Sylow
39	#496	—	277	1	no	maximal, Sylow
40	C₂×SD₁₆	—	277	2	no	—
41	C₂×D₈	—	277	2	no	—
42	#127	—	277	1	no	—
43	#124	—	277	1	no	—
44	#97	D₂₇₇	1	1	yes	characteristic, complemented
45	C₂×Q₈	—	277	1	no	—
46	C₂×D₄	—	277	1	no	—
47	C₂×D₄	—	277	2	no	—
48	C₂×D₄	—	554	2	no	—
49	SD₁₆	—	554	4	no	—
50	D₈	—	554	4	no	—
51	C₂×C₈	C₂×D₂₇₇	1	2	yes	—
52	C₂²⋊C₄	—	554	2	no	—
53	C₄²	C₂×D₂₇₇	1	1	yes	characteristic
54	C₂³	—	554	1	no	—
55	C₂³	—	554	2	no	—
56	Q₈	—	554	2	no	—
57	D₄	—	554	2	no	—
58	D₄	—	554	2	no	—
59	D₄	—	554	2	no	—
60	D₄	—	1108	4	no	—
61	C₂×C₄	—	554	1	no	—
62	C₂×C₄	D₁₁₀₈	1	2	yes	—
63	C₂×C₄	C₂²×D₂₇₇	1	1	yes	characteristic
64	C₈	D₁₁₀₈	1	4	yes	complemented
65	C₂²	—	1108	1	no	—
66	C₂²	—	1108	2	no	—
67	C₂²	—	1108	4	no	—
68	C₂²	—	1108	2	no	—
69	C₂²	C₂×D₁₁₀₈	1	1	yes	characteristic
70	C₄	—	2	2	no	—
71	C₄	—	1108	1	no	—
72	C₄	C₂×D₁₁₀₈	1	2	yes	—
73	C₂	—	2216	2	no	—
74	C₂	—	2216	1	no	—
75	C₂	#22579877	1	1	yes	characteristic
76	C₂	#22579908	1	2	yes	—

	subgroup	G/H
center	C₂²	C₂×D₁₁₀₈
commutator, cosocle	C₂×C₄×C₂₇₇	C₂³
Frattini	C₂×C₄	C₂²×D₂₇₇
Fitting	#97×C₂₇₇	C₂
socle	C₂²×C₂₇₇	C₂×D₄
hypercenter	#97	D₂₇₇
hypocenter	C₂₇₇	#496
LCS	G ▷ C₂×C₄×C₂₇₇ ▷ C₂×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂² ◁ C₄² ◁ #97

Complements

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

N	H ≅ G/N	type
1. C₂×#17984552	C₂	semidirect
2. C₂×D₂₂₁₆	C₂	semidirect
3. #22579877	C₂	semidirect
4. #22579868	C₂	semidirect
5. #97×C₂₇₇	C₂	semidirect
25. C₈×C₂₇₇	D₄	semidirect
38. C₂₇₇	#496	semidirect
44. #97	D₂₇₇	semidirect
64. C₈	D₁₁₀₈	semidirect

Maximal subgroups

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

subgroup	index
C₂×#17984552	2
C₂×D₂₂₁₆	2
#22579877	2
#22579868	2
#97×C₂₇₇	2
#496	277