Subgroups — #31800025

Order 17728.

126 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#17984547	C₂	1	1	yes	maximal, characteristic
2	C₂×C₄×Dic₂₇₇	C₂	1	1	yes	maximal, characteristic
3	#22579809	C₂	1	4	yes	maximal, complemented
4	C₂×M₁₆×C₂₇₇	C₂	1	1	yes	maximal, characteristic
5	C₂²×Dic₂₇₇	C₄	1	2	yes	—
6	#17984547	—	2	2	no	—
7	C₂×#14555660	C₂²	1	2	yes	—
8	C₄×Dic₂₇₇	C₄	1	1	yes	characteristic
9	C₄×Dic₂₇₇	C₄	1	1	yes	characteristic
10	C₄×Dic₂₇₇	C₂²	1	2	yes	—
11	C₂²×C₄×C₂₇₇	C₂²	1	1	yes	characteristic
12	M₁₆×C₂₇₇	—	2	2	no	—
13	C₂×C₈×C₂₇₇	C₂²	1	2	yes	—
14	C₂×Dic₂₇₇	—	2	4	no	—
15	C₂×Dic₂₇₇	C₂×C₄	1	2	yes	—
16	C₂×Dic₂₇₇	C₂×C₄	1	2	yes	—
17	#14555660	—	2	2	no	—
18	C₂³×C₂₇₇	C₂×C₄	1	1	yes	characteristic
19	C₂×C₄×C₂₇₇	C₂×C₄	1	1	yes	characteristic
20	C₂×C₄×C₂₇₇	D₄	1	2	yes	—
21	C₂×C₄×C₂₇₇	Q₈	1	2	yes	—
22	C₂×C₄×C₂₇₇	C₂³	1	1	yes	characteristic
23	C₈×C₂₇₇	—	2	2	no	—
24	C₂²×C₂₇₇	—	2	2	no	—
25	C₂²×C₂₇₇	C₄⋊C₄	1	2	yes	—
26	C₂²×C₂₇₇	C₂²×C₄	1	1	yes	characteristic
27	C₄×C₂₇₇	C₄⋊C₄	1	2	yes	—
28	C₄×C₂₇₇	C₂×D₄	1	1	yes	characteristic
29	C₄×C₂₇₇	C₂×Q₈	1	1	yes	characteristic
30	Dic₂₇₇	—	2	2	no	—
31	Dic₂₇₇	M₁₆	1	4	yes	complemented
32	C₂×C₂₇₇	—	2	2	no	—
33	C₂×C₂₇₇	C₂×C₄⋊C₄	1	1	yes	characteristic
34	C₂×C₂₇₇	C₂×M₁₆	1	2	yes	—
35	C₂₇₇	#423	1	1	yes	characteristic, complemented, Sylow
36	#423	—	277	1	no	maximal, Sylow
37	C₂×M₁₆	—	277	1	no	—
38	C₂×M₁₆	D₂₇₇	1	1	yes	characteristic
39	C₂×C₄²	—	277	1	no	—
40	C₄⋊C₈	—	277	4	no	—
41	C₂²×C₄	—	277	2	no	—
42	C₂²×C₄	C₂×D₂₇₇	1	1	yes	characteristic
43	M₁₆	—	2	2	no	—
44	M₁₆	—	554	2	no	—
45	C₂×C₈	—	277	2	no	—
46	C₂×C₈	C₂×D₂₇₇	1	2	yes	—
47	C₄²	—	277	1	no	—
48	C₄²	—	277	1	no	—
49	C₄²	—	277	2	no	—
50	C₂³	C₄×D₂₇₇	1	1	yes	characteristic
51	C₂×C₄	—	277	2	no	—
52	C₂×C₄	—	277	2	no	—
53	C₂×C₄	—	554	4	no	—
54	C₂×C₄	C₄×D₂₇₇	1	1	yes	characteristic
55	C₂×C₄	C₂²⋊D₂₇₇	1	2	yes	—
56	C₂×C₄	Dic₅₅₄	1	2	yes	—
57	C₂×C₄	C₂²×D₂₇₇	1	1	yes	characteristic
58	C₈	—	2	2	no	—
59	C₈	—	554	2	no	—
60	C₂²	—	2	2	no	—
61	C₂²	#17984542	1	2	yes	—
62	C₂²	C₂×C₄×D₂₇₇	1	1	yes	characteristic
63	C₄	—	277	4	no	—
64	C₄	—	554	2	no	—
65	C₄	#17984542	1	2	yes	—
66	C₄	C₂×C₂²⋊D₂₇₇	1	1	yes	characteristic
67	C₄	C₂×Dic₅₅₄	1	1	yes	characteristic
68	C₂	—	2	2	no	—
69	C₂	C₂×#17984542	1	1	yes	characteristic
70	C₂	M₁₆×D₂₇₇	1	2	yes	—

	subgroup	G/H
center, Frattini	C₂×C₄	C₂²×D₂₇₇
commutator, socle	C₂²×C₂₇₇	C₂²×C₄
Fitting	C₂×M₁₆×C₂₇₇	C₂
prime radical	C₂³×C₂₇₇	C₂×C₄
cosocle	C₂×C₄×C₂₇₇	C₂³
hypercenter	C₂×M₁₆	D₂₇₇
hypocenter	C₂₇₇	#423
LCS	G ▷ C₂²×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂×C₄ ◁ C₂×M₁₆

Complements

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

N	H ≅ G/N	type
3. #22579809	C₂	semidirect
31. Dic₂₇₇	M₁₆	semidirect
35. C₂₇₇	#423	semidirect

Maximal subgroups

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

subgroup	index
C₂×#17984547	2
C₂×C₄×Dic₂₇₇	2
#22579809	2
C₂×M₁₆×C₂₇₇	2
#423	277