Subgroups — Q₁₆×Dic₂₇₇ #31800097

Order 17728.

110 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	Q₈×Dic₂₇₇	C₂	1	2	yes	maximal
2	#22579814	C₂	1	1	yes	maximal, characteristic
3	#22579804	C₂	1	2	yes	maximal
4	C₈×Dic₂₇₇	C₂	1	1	yes	maximal, characteristic
5	C₂×Q₁₆×C₂₇₇	C₂	1	1	yes	maximal, characteristic
6	C₂×#14555660	C₂²	1	1	yes	characteristic
7	C₄⋊Dic₂₇₇	—	2	2	no	—
8	C₄⋊Dic₂₇₇	C₂²	1	2	yes	—
9	C₄×Dic₂₇₇	—	2	2	no	—
10	C₄×Dic₂₇₇	C₂²	1	1	yes	characteristic
11	C₂×Q₈×C₂₇₇	C₂²	1	2	yes	—
12	Q₁₆×C₂₇₇	C₄	1	4	yes	complemented
13	C₂×C₈×C₂₇₇	C₂²	1	1	yes	characteristic
14	C₂×Dic₂₇₇	—	2	2	no	—
15	C₂×Dic₂₇₇	D₄	1	1	yes	characteristic
16	C₂×Dic₂₇₇	D₄	1	1	yes	characteristic
17	#14555660	—	2	1	no	—
18	Q₈×C₂₇₇	—	2	2	no	—
19	Q₈×C₂₇₇	C₂×C₄	1	4	yes	—
20	C₂×C₄×C₂₇₇	—	2	2	no	—
21	C₂×C₄×C₂₇₇	C₂³	1	1	yes	characteristic
22	C₈×C₂₇₇	C₂×C₄	1	2	yes	—
23	C₂²×C₂₇₇	C₂×D₄	1	1	yes	characteristic
24	C₄×C₂₇₇	—	2	4	no	—
25	C₄×C₂₇₇	C₂²×C₄	1	1	yes	characteristic
26	C₄×C₂₇₇	#41	1	1	yes	characteristic
27	Dic₂₇₇	—	2	1	no	—
28	Dic₂₇₇	—	4	2	no	—
29	Dic₂₇₇	Q₁₆	1	2	yes	direct product factor
30	C₂×C₂₇₇	C₄×D₄	1	1	yes	characteristic
31	C₂×C₂₇₇	C₂×Q₁₆	1	1	yes	characteristic
32	C₂×C₂₇₇	#135	1	1	yes	characteristic
33	C₂₇₇	C₄×Q₁₆	1	1	yes	characteristic, complemented, Sylow
34	C₄×Q₁₆	—	277	1	no	maximal, Sylow
35	C₂×Q₁₆	D₂₇₇	1	1	yes	characteristic
36	C₄×Q₈	—	277	2	no	—
37	#107	—	277	1	no	—
38	#103	—	277	2	no	—
39	C₄×C₈	—	277	1	no	—
40	C₂×Q₈	C₂×D₂₇₇	1	2	yes	—
41	Q₁₆	Dic₂₇₇	1	4	yes	direct product factor
42	C₂×C₈	—	277	1	no	—
43	C₂×C₈	C₂×D₂₇₇	1	1	yes	characteristic
44	C₄⋊C₄	—	277	2	no	—
45	C₄⋊C₄	—	554	2	no	—
46	C₄²	—	277	1	no	—
47	C₄²	—	554	2	no	—
48	Q₈	—	2	2	no	—
49	Q₈	C₂×Dic₂₇₇	1	4	yes	—
50	C₂×C₄	—	2	2	no	—
51	C₂×C₄	—	277	1	no	—
52	C₂×C₄	—	277	1	no	—
53	C₂×C₄	—	554	2	no	—
54	C₂×C₄	C₂²×D₂₇₇	1	1	yes	characteristic
55	C₈	—	554	1	no	—
56	C₈	C₂×Dic₂₇₇	1	2	yes	—
57	C₂²	D₄×D₂₇₇	1	1	yes	characteristic
58	C₄	—	2	4	no	—
59	C₄	—	277	2	no	—
60	C₄	—	554	1	no	—
61	C₄	—	1108	2	no	—
62	C₄	C₂²×Dic₂₇₇	1	1	yes	characteristic
63	C₄	#17984562	1	1	yes	characteristic
64	C₂	D₄×Dic₂₇₇	1	1	yes	characteristic
65	C₂	Q₁₆×D₂₇₇	1	1	yes	characteristic
66	C₂	#22579903	1	1	yes	characteristic

	subgroup	G/H
center	C₂²	D₄×D₂₇₇
commutator	C₄×C₂₇₇	C₂²×C₄
Frattini	C₂×C₄	C₂²×D₂₇₇
Fitting	C₂×Q₁₆×C₂₇₇	C₂
socle, prime radical	C₂²×C₂₇₇	C₂×D₄
cosocle	C₂×C₄×C₂₇₇	C₂³
hypercenter	C₂×Q₁₆	D₂₇₇
hypocenter	C₂₇₇	C₄×Q₁₆
LCS	G ▷ C₄×C₂₇₇ ▷ C₂×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂² ◁ C₂×C₄ ◁ C₂×Q₁₆

Complements

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

N	H ≅ G/N	type
12. Q₁₆×C₂₇₇	C₄	semidirect
29. Dic₂₇₇	Q₁₆	direct (N × H)
33. C₂₇₇	C₄×Q₁₆	semidirect
41. Q₁₆	Dic₂₇₇	direct (N × H)

Maximal subgroups

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

subgroup	index
Q₈×Dic₂₇₇	2
#22579814	2
#22579804	2
C₈×Dic₂₇₇	2
C₂×Q₁₆×C₂₇₇	2
C₄×Q₁₆	277

Subgroups — Q16×Dic277 #31800097

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — Q₁₆×Dic₂₇₇ #31800097