Subgroups — C₂×#27165804 #38787116

Order 25664.

138 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×#15692006	C₂	1	2	yes	maximal
2	#27165804	C₂	1	4	yes	maximal, direct product factor
3	C₂×C₄×Dic₄₀₁	C₂	1	1	yes	maximal, characteristic
4	C₂×#15692006	—	2	4	no	—
5	C₂×#15692006	C₂²	1	4	yes	—
6	C₂²×Dic₄₀₁	C₄	1	1	yes	characteristic
7	C₂²×Dic₄₀₁	C₂²	1	1	yes	characteristic
8	C₄×Dic₄₀₁	C₄	1	2	yes	—
9	C₄×Dic₄₀₁	C₂²	1	2	yes	—
10	C₂²×C₄×C₄₀₁	C₄	1	1	yes	characteristic
11	#15692006	—	2	4	no	—
12	C₂×Dic₄₀₁	C₈	1	4	yes	complemented
13	C₂×Dic₄₀₁	C₂×C₄	1	1	yes	characteristic
14	C₂×Dic₄₀₁	C₂×C₄	1	2	yes	—
15	C₂×Dic₄₀₁	D₄	1	2	yes	—
16	C₂×Dic₄₀₁	Q₈	1	2	yes	—
17	C₂×Dic₄₀₁	C₂³	1	1	yes	characteristic
18	C₂³×C₄₀₁	C₂×C₄	1	1	yes	characteristic
19	C₂×C₄×C₄₀₁	—	2	2	no	—
20	C₂×C₄×C₄₀₁	C₂×C₄	1	2	yes	—
21	C₂²×C₄₀₁	C₄⋊C₄	1	2	yes	—
22	C₂²×C₄₀₁	C₂×C₈	1	2	yes	—
23	C₂²×C₄₀₁	M₁₆	1	2	yes	—
24	C₂²×C₄₀₁	C₂²×C₄	1	1	yes	characteristic
25	C₄×C₄₀₁	—	2	2	no	—
26	Dic₄₀₁	C₄⋊C₄	1	2	yes	—
27	Dic₄₀₁	C₂×C₈	1	4	yes	complemented
28	Dic₄₀₁	C₂×D₄	1	1	yes	characteristic
29	Dic₄₀₁	C₂×Q₈	1	1	yes	characteristic
30	C₂×C₄₀₁	C₄⋊C₈	1	4	yes	complemented
31	C₂×C₄₀₁	C₂×C₄⋊C₄	1	1	yes	characteristic
32	C₂×C₄₀₁	C₂²×C₈	1	1	yes	characteristic
33	C₂×C₄₀₁	C₂×M₁₆	1	1	yes	characteristic
34	C₄₀₁	C₂×C₄⋊C₈	1	1	yes	characteristic, complemented, Sylow
35	C₂×C₄⋊C₈	—	401	1	no	maximal, Sylow
36	C₂²×C₈	—	401	2	no	—
37	C₂×C₄²	—	401	1	no	—
38	C₄⋊C₈	—	401	4	no	—
39	C₂²×C₄	—	401	1	no	—
40	C₂²×C₄	—	401	1	no	—
41	C₂²×C₄	#13107944	1	1	yes	characteristic
42	C₂×C₈	—	802	4	no	—
43	C₂×C₈	—	401	4	no	—
44	C₄²	—	401	2	no	—
45	C₄²	—	401	2	no	—
46	C₂³	C₂×#13107944	1	1	yes	characteristic
47	C₂×C₄	—	2	2	no	—
48	C₂×C₄	—	401	2	no	—
49	C₂×C₄	—	401	2	no	—
50	C₂×C₄	—	401	4	no	—
51	C₂×C₄	—	401	1	no	—
52	C₂×C₄	—	401	1	no	—
53	C₂×C₄	—	401	2	no	—
54	C₂×C₄	C₂×#13107944	1	2	yes	—
55	C₈	—	802	4	no	—
56	C₂²	C₄⋊#13107944	1	2	yes	—
57	C₂²	#20264374	1	2	yes	—
58	C₂²	#20264375	1	2	yes	—
59	C₂²	C₂²×#13107944	1	1	yes	characteristic
60	C₄	—	2	2	no	—
61	C₄	—	401	1	no	—
62	C₄	—	401	2	no	—
63	C₄	—	401	1	no	—
64	C₄	—	401	4	no	—
65	C₂	#27165804	1	4	yes	direct product factor
66	C₂	C₂×C₄⋊#13107944	1	1	yes	characteristic
67	C₂	C₂×#20264374	1	1	yes	characteristic
68	C₂	C₂×#20264375	1	1	yes	characteristic

	subgroup	G/H
center	C₂³	C₂×#13107944
commutator	C₂×C₄₀₁	C₂²×C₈
Frattini	C₂²	C₂²×#13107944
Fitting	C₂²×C₄×C₄₀₁	C₄
socle, prime radical	C₂³×C₄₀₁	C₂×C₄
cosocle	C₂×Dic₄₀₁	C₂³
hypercenter	C₂²×C₄	#13107944
hypocenter	C₄₀₁	C₂×C₄⋊C₈
LCS	G ▷ C₂×C₄₀₁ ▷ C₄₀₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄

Complements

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

N	H ≅ G/N	type
2. #27165804	C₂	direct (N × H)
12. C₂×Dic₄₀₁	C₈	semidirect
27. Dic₄₀₁	C₂×C₈	semidirect
30. C₂×C₄₀₁	C₄⋊C₈	semidirect
34. C₄₀₁	C₂×C₄⋊C₈	semidirect
65. C₂	#27165804	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂²×#15692006	2
#27165804	2
C₂×C₄×Dic₄₀₁	2
C₂×C₄⋊C₈	401

Subgroups — C2×#27165804 #38787116

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×#27165804 #38787116