Finite Group Databasebeta

Subgroups — #3308

Order 128.

210 conjugacy classes of subgroups; only the 88 normal subgroups are shown.

normal subgroups only

This group has 210 conjugacy classes of subgroups — too many to draw. Only its 88 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#548	C₂	1	1	yes	maximal, characteristic, complemented
2	#547	C₂	1	1	yes	maximal, characteristic, complemented
3	#489	C₂	1	1	yes	maximal, characteristic, complemented
4	#484	C₂	1	1	yes	maximal, characteristic, complemented
5	#480	C₂	1	1	yes	maximal, characteristic, complemented
6	#477	C₂	1	1	yes	maximal, characteristic, complemented
7	#468	C₂	1	1	yes	maximal, characteristic, complemented
8	#466	C₂	1	1	yes	maximal, characteristic, complemented
9	#463	C₂	1	1	yes	maximal, characteristic, complemented
10	#449	C₂	1	1	yes	maximal, characteristic, complemented
11	#448	C₂	1	1	yes	maximal, characteristic, complemented
12	#440	C₂	1	1	yes	maximal, characteristic, complemented
13	#435	C₂	1	1	yes	maximal, characteristic, complemented
14	#417	C₂	1	1	yes	maximal, characteristic, complemented
15	C₂×#103	C₂	1	1	yes	maximal, characteristic, complemented
16	C₂×#41	—	2	1	no	—
17	C₂×#41	C₂²	1	1	yes	characteristic
18	C₂²×Q₈	C₂²	1	1	yes	characteristic
19	C₂×SD₁₆	C₂²	1	1	yes	characteristic
20	C₂×SD₁₆	C₂²	1	1	yes	characteristic
21	C₂×D₈	C₂²	1	1	yes	characteristic
22	C₂×M₁₆	C₂²	1	1	yes	characteristic
23	C₂²×C₈	C₂²	1	1	yes	characteristic
24	C₄⋊Q₈	C₂²	1	1	yes	characteristic
25	#124	—	2	1	no	—
26	#124	C₂²	1	1	yes	characteristic
27	#123	—	2	1	no	—
28	#123	—	2	1	no	—
29	C₂²⋊Q₈	—	2	1	no	—
30	C₂²⋊Q₈	—	2	1	no	—
31	C₂²⋊Q₈	C₂²	1	1	yes	characteristic
32	#121	—	2	1	no	—
33	#121	C₂²	1	1	yes	characteristic
34	#121	C₂²	1	1	yes	characteristic
35	#121	C₂²	1	1	yes	characteristic
36	C₄×Q₈	C₂²	1	1	yes	characteristic
37	C₄×D₄	—	2	1	no	—
38	C₄×D₄	C₂²	1	1	yes	characteristic
39	C₄×D₄	C₂²	1	1	yes	characteristic
40	C₂×C₄⋊C₄	C₂²	1	1	yes	characteristic
41	C₂×C₄⋊C₄	C₂²	1	1	yes	characteristic
42	#107	C₂²	1	1	yes	characteristic
43	#107	C₂²	1	1	yes	characteristic
44	#107	C₂²	1	1	yes	characteristic
45	C₄⋊C₈	C₂²	1	1	yes	characteristic
46	#103	C₂²	1	1	yes	characteristic
47	#103	C₂²	1	1	yes	characteristic
48	#103	C₂²	1	1	yes	characteristic
49	#103	C₂²	1	1	yes	characteristic
50	#103	C₂²	1	1	yes	characteristic
51	#103	C₂²	1	1	yes	characteristic
52	#102	C₂²	1	1	yes	characteristic
53	#102	C₂²	1	1	yes	characteristic
54	#102	C₂²	1	1	yes	characteristic
55	#102	C₂²	1	1	yes	characteristic
56	C₂²⋊C₈	C₂²	1	1	yes	characteristic
57	C₂²⋊C₈	C₂²	1	1	yes	characteristic
58	#97	C₂²	1	1	yes	characteristic
59	#41	—	2	2	no	—
60	#41	—	4	1	no	—
61	#41	—	4	4	no	—
62	C₂×Q₈	—	2	1	no	—
63	C₂×Q₈	—	2	1	no	—
64	C₂×Q₈	—	2	2	no	—
65	C₂×Q₈	—	4	1	no	—
66	C₂×Q₈	C₂³	1	1	yes	characteristic
67	C₂×Q₈	C₂³	1	1	yes	characteristic
68	C₂×D₄	—	2	1	no	—
69	C₂×D₄	—	2	1	no	—
70	C₂×D₄	—	2	1	no	—
71	C₂×D₄	—	2	1	no	—
72	C₂×D₄	D₄	1	1	yes	characteristic
73	C₂×D₄	C₂³	1	1	yes	characteristic
74	C₂×D₄	C₂³	1	1	yes	characteristic
75	C₂²×C₄	—	2	1	no	—
76	C₂²×C₄	—	2	1	no	—
77	C₂²×C₄	—	2	1	no	—
78	C₂²×C₄	—	2	1	no	—
79	C₂²×C₄	—	2	1	no	—
80	C₂²×C₄	C₂³	1	1	yes	characteristic
81	C₂²×C₄	C₂³	1	1	yes	characteristic
82	SD₁₆	—	2	2	no	—
83	SD₁₆	—	4	1	no	—
84	D₈	—	4	1	no	—
85	M₁₆	—	4	1	no	—
86	C₂×C₈	—	4	1	no	—
87	C₂×C₈	C₂³	1	1	yes	characteristic
88	C₂×C₈	C₂³	1	1	yes	characteristic
89	C₂×C₈	C₂³	1	1	yes	characteristic
90	C₂×C₈	C₂³	1	1	yes	characteristic
91	C₄⋊C₄	—	2	1	no	—
92	C₄⋊C₄	—	2	1	no	—
93	C₄⋊C₄	—	2	1	no	—
94	C₄⋊C₄	—	2	1	no	—
95	C₄⋊C₄	—	2	1	no	—
96	C₄⋊C₄	D₄	1	1	yes	characteristic
97	C₄⋊C₄	C₂³	1	1	yes	characteristic
98	C₄⋊C₄	C₂³	1	1	yes	characteristic
99	C₄⋊C₄	C₂³	1	1	yes	characteristic
100	C₄⋊C₄	C₂³	1	1	yes	characteristic
101	C₂²⋊C₄	—	2	1	no	—
102	C₂²⋊C₄	—	2	1	no	—
103	C₂²⋊C₄	—	2	1	no	—
104	C₂²⋊C₄	—	2	1	no	—
105	C₂²⋊C₄	—	2	1	no	—
106	C₂²⋊C₄	—	2	1	no	—
107	C₂²⋊C₄	—	2	1	no	—
108	C₂²⋊C₄	D₄	1	1	yes	characteristic
109	C₂²⋊C₄	D₄	1	1	yes	characteristic
110	C₄²	—	2	1	no	—
111	C₄²	C₂³	1	1	yes	characteristic
112	C₂³	—	2	1	no	—
113	C₂³	—	2	1	no	—
114	C₂³	C₂×D₄	1	1	yes	characteristic
115	C₂³	C₂×D₄	1	1	yes	characteristic
116	Q₈	—	2	1	no	—
117	Q₈	—	2	1	no	—
118	Q₈	—	2	1	no	—
119	Q₈	—	4	2	no	—
120	Q₈	—	4	2	no	—
121	Q₈	#41	1	2	yes	complemented
122	D₄	—	2	2	no	—
123	D₄	—	2	1	no	—
124	D₄	—	2	1	no	—
125	D₄	—	2	1	no	—
126	D₄	—	2	1	no	—
127	D₄	—	4	2	no	—
128	D₄	—	4	2	no	—
129	D₄	—	4	2	no	—
130	D₄	—	4	2	no	—
131	C₂×C₄	—	2	1	no	—
132	C₂×C₄	—	2	1	no	—
133	C₂×C₄	—	2	1	no	—
134	C₂×C₄	—	2	1	no	—
135	C₂×C₄	—	2	1	no	—
136	C₂×C₄	—	2	1	no	—
137	C₂×C₄	—	2	1	no	—
138	C₂×C₄	—	2	1	no	—
139	C₂×C₄	—	2	1	no	—
140	C₂×C₄	—	2	1	no	—
141	C₂×C₄	—	4	2	no	—
142	C₂×C₄	—	4	2	no	—
143	C₂×C₄	—	4	2	no	—
144	C₂×C₄	—	4	2	no	—
145	C₂×C₄	—	4	2	no	—
146	C₂×C₄	C₂×D₄	1	1	yes	characteristic
147	C₂×C₄	C₂×D₄	1	1	yes	characteristic
148	C₂×C₄	C₂×D₄	1	1	yes	characteristic
149	C₂×C₄	C₂×D₄	1	1	yes	characteristic
150	C₂×C₄	C₂⁴	1	1	yes	characteristic
151	C₈	—	2	1	no	—
152	C₈	—	2	1	no	—
153	C₈	—	2	1	no	—
154	C₈	—	2	1	no	—
155	C₂²	—	2	1	no	—
156	C₂²	—	2	1	no	—
157	C₂²	—	2	1	no	—
158	C₂²	—	2	1	no	—
159	C₂²	—	2	1	no	—
160	C₂²	—	4	1	no	—
161	C₂²	—	4	1	no	—
162	C₂²	—	4	1	no	—
163	C₂²	—	4	1	no	—
164	C₂²	—	4	1	no	—
165	C₂²	—	4	1	no	—
166	C₂²	AGL(1,ℤ/8)	1	2	yes	—
167	C₂²	C₂²×D₄	1	1	yes	characteristic
168	C₄	—	2	1	no	—
169	C₄	—	2	1	no	—
170	C₄	—	2	2	no	—
171	C₄	—	2	1	no	—
172	C₄	—	2	1	no	—
173	C₄	—	4	1	no	—
174	C₄	—	4	1	no	—
175	C₄	—	4	1	no	—
176	C₄	—	4	1	no	—
177	C₄	—	4	1	no	—
178	C₄	C₂×#41	1	1	yes	characteristic
179	C₄	H(5,𝔽₂)	1	1	yes	characteristic
180	C₂	—	2	2	no	—
181	C₂	—	4	1	no	—
182	C₂	—	8	1	no	—
183	C₂	—	8	1	no	—
184	C₂	#546	1	1	yes	characteristic
185	C₂	C₂×AGL(1,ℤ/8)	1	1	yes	characteristic
186	C₂	#578	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂²	C₂²×D₄
commutator, Frattini, cosocle	C₂×C₄	C₂⁴
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₄×D₄ ◁ G
LECS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁

Complements

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

N	H ≅ G/N	type
1. #548	C₂	semidirect
2. #547	C₂	semidirect
3. #489	C₂	semidirect
4. #484	C₂	semidirect
5. #480	C₂	semidirect
6. #477	C₂	semidirect
7. #468	C₂	semidirect
8. #466	C₂	semidirect
9. #463	C₂	semidirect
10. #449	C₂	semidirect
11. #448	C₂	semidirect
12. #440	C₂	semidirect
13. #435	C₂	semidirect
14. #417	C₂	semidirect
15. C₂×#103	C₂	semidirect
121. Q₈	#41	semidirect

Maximal subgroups

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

subgroup	index
#548	2
#547	2
#489	2
#484	2
#480	2
#477	2
#468	2
#466	2
#463	2
#449	2
#448	2
#440	2
#435	2
#417	2
C₂×#103	2