Subgroups — #31800870

Order 17728.

94 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22579959	C₂	1	2	yes	maximal
2	C₂×#17984546	C₂	1	1	yes	maximal, characteristic
3	C₄⋊#11764308	—	2	2	no	—
4	C₂²⋊#11764308	—	2	2	no	—
5	C₄×#11764308	C₄	1	4	yes	complemented
6	C₂×C₄×D₂₇₇	C₂²	1	1	yes	characteristic
7	#17984546	—	2	2	no	—
8	C₂×#14555660	C₄	1	1	yes	characteristic, complemented
9	C₂×C₈×C₂₇₇	C₄	1	1	yes	characteristic, complemented
10	C₂×#11764308	—	2	4	no	—
11	C₂²×D₂₇₇	D₄	1	1	yes	characteristic
12	C₂×Dic₂₇₇	Q₈	1	1	yes	characteristic
13	C₄×D₂₇₇	C₂×C₄	1	2	yes	—
14	C₄×D₂₇₇	D₄	1	2	yes	—
15	#14555660	—	2	1	no	—
16	C₂×C₄×C₂₇₇	C₂×C₄	1	1	yes	characteristic
17	C₈×C₂₇₇	—	2	1	no	—
18	C₂²×C₂₇₇	C₄⋊C₄	1	1	yes	characteristic
19	C₂×D₂₇₇	—	4	1	no	—
20	C₂×D₂₇₇	C₂²⋊C₄	1	2	yes	—
21	#11764308	—	4	4	no	—
22	C₄×C₂₇₇	C₄²	1	1	yes	characteristic
23	C₄×C₂₇₇	C₂²⋊C₄	1	1	yes	characteristic
24	Dic₂₇₇	C₄⋊C₄	1	2	yes	—
25	C₂×C₂₇₇	—	2	1	no	—
26	C₂×C₂₇₇	#95	1	1	yes	characteristic
27	D₂₇₇	—	2	2	no	—
28	C₂₇₇	H(3,ℤ/4)	1	1	yes	characteristic, complemented, Sylow
29	H(3,ℤ/4)	—	277	1	no	maximal, Sylow
30	C₂×M₁₆	—	277	1	no	—
31	#117	—	277	2	no	—
32	C₂²×C₄	—	277	1	no	—
33	M₁₆	—	554	2	no	—
34	C₂×C₈	—	277	1	no	—
35	C₂×C₈	#11764308	1	1	yes	characteristic, complemented
36	C₄⋊C₄	—	554	2	no	—
37	C₂²⋊C₄	—	554	2	no	—
38	C₄²	—	277	4	no	—
39	C₂³	—	277	1	no	—
40	C₂×C₄	—	277	1	no	—
41	C₂×C₄	—	277	2	no	—
42	C₂×C₄	—	277	2	no	—
43	C₂×C₄	—	554	4	no	—
44	C₂×C₄	C₂×#11764308	1	1	yes	characteristic
45	C₈	—	2	1	no	—
46	C₈	—	554	1	no	—
47	C₂²	—	277	2	no	—
48	C₂²	—	1108	1	no	—
49	C₂²	C₄⋊#11764308	1	1	yes	characteristic
50	C₄	—	277	2	no	—
51	C₄	—	1108	4	no	—
52	C₄	C₄×#11764308	1	1	yes	characteristic
53	C₄	C₂²⋊#11764308	1	1	yes	characteristic
54	C₂	—	2	1	no	—
55	C₂	—	554	2	no	—
56	C₂	(C₂×#11764308)⋊C₄	1	1	yes	characteristic

	subgroup	G/H
center	C₄	C₄×#11764308
commutator	C₄×C₂₇₇	C₄²
Frattini	C₂×C₄	C₂×#11764308
Fitting	C₂×C₈×C₂₇₇	C₄
socle	C₂×C₂₇₇	#95
prime radical	C₂²×D₂₇₇	D₄
cosocle	C₂×C₄×D₂₇₇	C₂²
hypercenter	C₂×C₈	#11764308
hypocenter	C₂₇₇	H(3,ℤ/4)
LCS	G ▷ C₄×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₄ ◁ C₂×C₈

Complements

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

N	H ≅ G/N	type
5. C₄×#11764308	C₄	semidirect
8. C₂×#14555660	C₄	semidirect
9. C₂×C₈×C₂₇₇	C₄	semidirect
28. C₂₇₇	H(3,ℤ/4)	semidirect
35. C₂×C₈	#11764308	semidirect

Maximal subgroups

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

subgroup	index
#22579959	2
C₂×#17984546	2
H(3,ℤ/4)	277