Subgroups — #2143

Order 128.

110 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#135	C₂	1	1	yes	maximal, characteristic
2	C₂×M₃₂	C₂	1	1	yes	maximal, characteristic, complemented
3	C₂×#108	C₂	1	1	yes	maximal, characteristic, complemented
4	#359	C₂	1	4	yes	maximal, complemented
5	C₂×#41	—	2	1	no	—
6	#135	—	2	1	no	—
7	#135	—	2	1	no	—
8	#135	C₄	1	2	yes	—
9	#135	C₂²	1	2	yes	—
10	C₂×Q₁₆	C₄	1	1	yes	characteristic
11	C₂×SD₁₆	—	2	1	no	—
12	C₂×D₈	C₄	1	1	yes	characteristic
13	C₂×M₁₆	—	2	1	no	—
14	C₂²×C₈	C₂²	1	1	yes	characteristic
15	M₃₂	—	2	1	no	—
16	M₃₂	—	2	1	no	—
17	C₂×C₁₆	C₂²	1	2	yes	complemented
18	#108	—	2	1	no	—
19	#108	C₂²	1	2	yes	complemented
20	#41	—	2	2	no	—
21	#41	—	2	2	no	—
22	#41	—	4	1	no	—
23	#41	—	4	1	no	—
24	C₂×Q₈	—	2	1	no	—
25	C₂×D₄	—	2	1	no	—
26	C₂×D₄	—	4	1	no	—
27	C₂²×C₄	—	4	1	no	—
28	C₂²×C₄	D₄	1	1	yes	characteristic
29	Q₁₆	—	2	1	no	—
30	Q₁₆	C₂×C₄	1	2	yes	—
31	SD₁₆	—	2	2	no	—
32	SD₁₆	—	2	2	no	—
33	D₈	—	2	1	no	—
34	D₈	C₂×C₄	1	2	yes	—
35	M₁₆	—	2	2	no	—
36	M₁₆	—	4	1	no	—
37	C₂×C₈	—	4	1	no	—
38	C₂×C₈	C₂×C₄	1	1	yes	characteristic
39	C₂×C₈	C₂×C₄	1	1	yes	characteristic
40	C₂×C₈	D₄	1	1	yes	characteristic
41	C₂×C₈	D₄	1	1	yes	characteristic
42	C₂×C₈	D₄	1	1	yes	characteristic
43	C₂×C₈	C₂³	1	1	yes	characteristic
44	C₁₆	—	2	2	no	—
45	C₂³	—	4	1	no	—
46	C₂³	SD₁₆	1	1	yes	characteristic
47	Q₈	—	2	2	no	—
48	Q₈	—	4	1	no	—
49	D₄	—	2	2	no	—
50	D₄	—	4	2	no	—
51	D₄	—	4	2	no	—
52	D₄	—	4	1	no	—
53	C₂×C₄	—	4	1	no	—
54	C₂×C₄	—	4	2	no	—
55	C₂×C₄	—	4	2	no	—
56	C₂×C₄	C₂²⋊C₄	1	1	yes	characteristic
57	C₂×C₄	C₂²⋊C₄	1	1	yes	characteristic
58	C₂×C₄	D₈	1	1	yes	characteristic
59	C₂×C₄	D₈	1	1	yes	characteristic
60	C₂×C₄	SD₁₆	1	1	yes	characteristic
61	C₂×C₄	C₂×D₄	1	1	yes	characteristic
62	C₈	—	4	2	no	—
63	C₈	C₂²⋊C₄	1	1	yes	characteristic
64	C₈	C₂²⋊C₄	1	1	yes	characteristic
65	C₈	C₂²×C₄	1	1	yes	characteristic
66	C₈	C₂×D₄	1	1	yes	characteristic
67	C₂²	—	4	1	no	—
68	C₂²	—	4	2	no	—
69	C₂²	—	8	2	no	—
70	C₂²	#102	1	1	yes	characteristic
71	C₂²	#102	1	1	yes	characteristic
72	C₂²	C₂×SD₁₆	1	1	yes	characteristic
73	C₄	—	4	2	no	—
74	C₄	#102	1	1	yes	characteristic
75	C₄	#102	1	1	yes	characteristic
76	C₄	C₂×C₂²⋊C₄	1	1	yes	characteristic
77	C₄	C₂×D₈	1	1	yes	characteristic
78	C₂	—	2	1	no	—
79	C₂	—	2	1	no	—
80	C₂	—	2	1	no	—
81	C₂	—	8	2	no	—
82	C₂	C₂×#102	1	1	yes	characteristic

	subgroup	G/H
center	C₄	C₂×D₈
commutator	C₈	C₂²×C₄
Frattini, cosocle	C₂×C₈	C₂³
socle	C₂	C₂×#102
prime radical	C₂×#135	C₂
LCS	G ▷ C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₄ ◁ C₂²×C₄ ◁ C₂²×C₈ ◁ G
LECS	G ▷ C₂×C₈ ▷ C₄ ▷ C₂ ▷ C₁

Complements

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

N	H ≅ G/N	type
2. C₂×M₃₂	C₂	semidirect
3. C₂×#108	C₂	semidirect
4. #359	C₂	semidirect
17. C₂×C₁₆	C₂²	semidirect
19. #108	C₂²	semidirect

Maximal subgroups

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

subgroup	index
C₂×#135	2
C₂×M₃₂	2
C₂×#108	2
#359	2