Subgroups — Dic₅×Dic₉ #10623556

Order 720.

90 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×Dic₄₅	C₂	1	1	yes	maximal, characteristic
2	C₂×C₅×Dic₉	C₂	1	1	yes	maximal, characteristic
3	C₂×C₉×Dic₅	C₂	1	1	yes	maximal, characteristic
4	Dic₃×Dic₅	—	3	1	no	maximal
5	C₂²×C₅×C₉	C₂²	1	1	yes	characteristic
6	Dic₄₅	C₄	1	2	yes	complemented
7	C₉×Dic₅	C₄	1	2	yes	complemented
8	C₅×Dic₉	C₄	1	2	yes	complemented
9	C₄×Dic₉	—	5	1	no	maximal, Hall
10	C₂×Dic₁₅	—	3	1	no	—
11	C₂×C₅×Dic₃	—	3	1	no	—
12	C₂×C₃×Dic₅	D₃	1	1	yes	characteristic
13	C₂×C₅×C₉	C₂×C₄	1	1	yes	characteristic
14	C₂×C₅×C₉	C₂×C₄	1	1	yes	characteristic
15	C₂×C₅×C₉	C₂×C₄	1	1	yes	characteristic
16	C₄×Dic₅	—	9	1	no	Hall
17	C₂×C₄×C₉	—	5	1	no	—
18	C₂×Dic₉	—	5	1	no	—
19	C₂×Dic₉	D₅	1	1	yes	characteristic
20	C₂²×C₃×C₅	C₂×D₃	1	1	yes	characteristic
21	Dic₁₅	—	3	2	no	—
22	C₃×Dic₅	Dic₃	1	2	yes	—
23	C₅×Dic₃	—	3	2	no	—
24	C₄×Dic₃	—	15	1	no	—
25	C₅×C₉	C₄²	1	1	yes	characteristic, complemented, Hall
26	C₂×C₄×C₅	—	9	1	no	—
27	C₂×Dic₅	—	9	1	no	—
28	C₂×Dic₅	D₉	1	1	yes	characteristic
29	C₂²×C₉	C₂×D₅	1	1	yes	characteristic
30	C₄×C₉	—	5	2	no	—
31	Dic₉	—	5	2	no	—
32	Dic₉	Dic₅	1	2	yes	direct product factor
33	C₂×C₃×C₅	C₄×D₃	1	1	yes	characteristic
34	C₂×C₃×C₅	C₄×D₃	1	1	yes	characteristic
35	C₂×C₃×C₅	C₂×Dic₃	1	1	yes	characteristic
36	C₂×C₃×C₄	—	5	1	no	—
37	C₂×Dic₃	—	3	1	no	—
38	C₂×Dic₃	—	15	1	no	—
39	C₂²×C₅	C₂×D₉	1	1	yes	characteristic
40	C₄×C₅	—	9	2	no	—
41	Dic₅	—	9	2	no	—
42	Dic₅	Dic₉	1	2	yes	direct product factor
43	C₂×C₉	C₄×D₅	1	1	yes	characteristic
44	C₂×C₉	C₄×D₅	1	1	yes	characteristic
45	C₂×C₉	C₂×Dic₅	1	1	yes	characteristic
46	C₄²	—	45	1	no	Sylow
47	C₃×C₅	C₄×Dic₃	1	1	yes	characteristic
48	C₂²×C₃	D₃×D₅	1	1	yes	characteristic
49	C₃×C₄	—	5	2	no	—
50	Dic₃	—	3	2	no	—
51	Dic₃	—	15	2	no	—
52	C₂×C₅	C₄×D₉	1	1	yes	characteristic
53	C₂×C₅	C₄×D₉	1	1	yes	characteristic
54	C₂×C₅	C₂×Dic₉	1	1	yes	characteristic
55	C₉	C₄×Dic₅	1	1	yes	characteristic, complemented, Sylow
56	C₂×C₄	—	5	1	no	—
57	C₂×C₄	—	9	1	no	—
58	C₂×C₄	—	45	1	no	—
59	C₂×C₃	D₅×Dic₃	1	1	yes	characteristic
60	C₂×C₃	D₃×Dic₅	1	1	yes	characteristic
61	C₂×C₃	#1200	1	1	yes	characteristic
62	C₅	C₄×Dic₉	1	1	yes	characteristic, complemented, Sylow
63	C₂²	D₅×D₉	1	1	yes	characteristic
64	C₄	—	5	2	no	—
65	C₄	—	9	2	no	—
66	C₄	—	45	2	no	—
67	C₃	Dic₃×Dic₅	1	1	yes	characteristic
68	C₂	D₉×Dic₅	1	1	yes	characteristic
69	C₂	#67079	1	1	yes	characteristic
70	C₂	D₅×Dic₉	1	1	yes	characteristic

	subgroup	G/H
center, hypercenter	C₂²	D₅×D₉
commutator, hypocenter	C₅×C₉	C₄²
Frattini	C₂²×C₃	D₃×D₅
Fitting, cosocle	C₂²×C₅×C₉	C₂²
socle, prime radical	C₂²×C₃×C₅	C₂×D₃
LCS	G ▷ C₅×C₉
UCS	C₁ ◁ C₂²

Complements

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

N	H ≅ G/N	type
6. Dic₄₅	C₄	semidirect
7. C₉×Dic₅	C₄	semidirect
8. C₅×Dic₉	C₄	semidirect
25. C₅×C₉	C₄²	semidirect
32. Dic₉	Dic₅	direct (N × H)
42. Dic₅	Dic₉	direct (N × H)
55. C₉	C₄×Dic₅	semidirect
62. C₅	C₄×Dic₉	semidirect

Maximal subgroups

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

subgroup	index
C₂×Dic₄₅	2
C₂×C₅×Dic₉	2
C₂×C₉×Dic₅	2
Dic₃×Dic₅	3
C₄×Dic₉	5

Subgroups — Dic5×Dic9 #10623556

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — Dic₅×Dic₉ #10623556