Finite Group Databasebeta

Subgroups — #3317

Order 128.

196 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 196 conjugacy classes of subgroups — too many to draw. Only its 86 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	#552	C₂	1	1	yes	maximal, characteristic, complemented
2	#550	C₂	1	1	yes	maximal, characteristic
3	#490	C₂	1	1	yes	maximal, characteristic, complemented
4	#482	C₂	1	1	yes	maximal, characteristic, complemented
5	#481	C₂	1	1	yes	maximal, characteristic, complemented
6	#479	C₂	1	1	yes	maximal, characteristic, complemented
7	#468	C₂	1	1	yes	maximal, characteristic, complemented
8	#465	C₂	1	1	yes	maximal, characteristic, complemented
9	#460	C₂	1	1	yes	maximal, characteristic, complemented
10	#452	C₂	1	1	yes	maximal, characteristic, complemented
11	#452	C₂	1	1	yes	maximal, characteristic, complemented
12	#441	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	#416	C₂	1	1	yes	maximal, characteristic, complemented
16	C₂×#41	C₂²	1	1	yes	characteristic
17	C₂×#41	C₂²	1	1	yes	characteristic
18	C₂×Q₁₆	C₂²	1	1	yes	characteristic
19	C₂×SD₁₆	C₂²	1	1	yes	characteristic
20	C₂×SD₁₆	C₂²	1	1	yes	characteristic
21	C₂×M₁₆	C₂²	1	1	yes	characteristic
22	C₂²×C₈	C₂²	1	1	yes	characteristic
23	#127	—	2	1	no	—
24	#127	C₂²	1	1	yes	characteristic
25	#126	—	2	1	no	—
26	#125	—	2	1	no	—
27	#125	C₂²	1	1	yes	characteristic
28	#123	—	2	1	no	—
29	C₂²⋊Q₈	C₂²	1	1	yes	characteristic
30	C₂²⋊Q₈	C₂²	1	1	yes	characteristic
31	#121	—	2	1	no	—
32	#121	—	2	1	no	—
33	#121	C₂²	1	1	yes	characteristic
34	#121	C₂²	1	1	yes	characteristic
35	C₄×Q₈	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	#117	—	2	1	no	—
40	#117	C₂²	1	1	yes	characteristic
41	C₂×C₄⋊C₄	C₂²	1	1	yes	characteristic
42	#107	C₂²	1	1	yes	characteristic
43	#106	C₂²	1	1	yes	characteristic
44	#106	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	#102	C₂²	1	1	yes	characteristic
51	#102	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	—	2	2	no	—
61	#41	—	4	1	no	—
62	#41	—	4	1	no	—
63	C₂×Q₈	C₂³	1	1	yes	characteristic
64	C₂×Q₈	C₂³	1	1	yes	characteristic
65	C₂×D₄	—	2	1	no	—
66	C₂×D₄	—	2	1	no	—
67	C₂×D₄	—	2	1	no	—
68	C₂×D₄	—	2	1	no	—
69	C₂×D₄	—	2	1	no	—
70	C₂×D₄	—	2	1	no	—
71	C₂×D₄	D₄	1	1	yes	characteristic
72	C₂×D₄	C₂³	1	1	yes	characteristic
73	C₂×D₄	C₂³	1	1	yes	characteristic
74	C₂²×C₄	—	2	1	no	—
75	C₂²×C₄	—	2	1	no	—
76	C₂²×C₄	—	2	1	no	—
77	C₂²×C₄	C₂³	1	1	yes	characteristic
78	C₂²×C₄	C₂³	1	1	yes	characteristic
79	Q₁₆	—	2	2	no	—
80	SD₁₆	—	4	1	no	—
81	SD₁₆	—	4	1	no	—
82	M₁₆	—	4	1	no	—
83	C₂×C₈	—	4	1	no	—
84	C₂×C₈	C₂³	1	1	yes	characteristic
85	C₂×C₈	C₂³	1	1	yes	characteristic
86	C₂×C₈	C₂³	1	1	yes	characteristic
87	C₂×C₈	C₂³	1	1	yes	characteristic
88	C₄⋊C₄	—	2	1	no	—
89	C₄⋊C₄	—	2	1	no	—
90	C₄⋊C₄	—	2	1	no	—
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	D₄	1	1	yes	characteristic
96	C₄⋊C₄	C₂³	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	C₂²⋊C₄	—	2	1	no	—
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	D₄	1	1	yes	characteristic
106	C₂²⋊C₄	D₄	1	1	yes	characteristic
107	C₄²	—	2	1	no	—
108	C₄²	—	2	1	no	—
109	C₄²	—	2	1	no	—
110	C₄²	C₂³	1	1	yes	characteristic
111	C₂³	—	2	1	no	—
112	C₂³	—	2	1	no	—
113	C₂³	C₂×D₄	1	1	yes	characteristic
114	C₂³	C₂×D₄	1	1	yes	characteristic
115	Q₈	—	2	1	no	—
116	Q₈	—	2	1	no	—
117	Q₈	—	2	1	no	—
118	Q₈	#41	1	2	yes	—
119	D₄	—	2	1	no	—
120	D₄	—	2	1	no	—
121	D₄	—	2	1	no	—
122	D₄	—	2	1	no	—
123	D₄	—	4	1	no	—
124	D₄	—	4	2	no	—
125	D₄	—	4	2	no	—
126	D₄	—	4	2	no	—
127	D₄	—	8	1	no	—
128	D₄	—	8	1	no	—
129	D₄	—	8	1	no	—
130	C₂×C₄	—	2	1	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	—	4	2	no	—
141	C₂×C₄	—	4	2	no	—
142	C₂×C₄	—	4	2	no	—
143	C₂×C₄	C₂×D₄	1	1	yes	characteristic
144	C₂×C₄	C₂×D₄	1	1	yes	characteristic
145	C₂×C₄	C₂×D₄	1	1	yes	characteristic
146	C₂×C₄	C₂×D₄	1	1	yes	characteristic
147	C₂×C₄	C₂⁴	1	1	yes	characteristic
148	C₈	—	2	1	no	—
149	C₈	—	2	1	no	—
150	C₈	—	2	1	no	—
151	C₈	—	2	1	no	—
152	C₂²	—	2	1	no	—
153	C₂²	—	2	1	no	—
154	C₂²	—	2	1	no	—
155	C₂²	—	2	1	no	—
156	C₂²	—	2	1	no	—
157	C₂²	—	2	1	no	—
158	C₂²	—	4	1	no	—
159	C₂²	—	4	1	no	—
160	C₂²	—	4	1	no	—
161	C₂²	—	4	1	no	—
162	C₂²	—	4	1	no	—
163	C₂²	—	4	1	no	—
164	C₂²	C₂²×D₄	1	1	yes	characteristic
165	C₄	—	2	1	no	—
166	C₄	—	2	1	no	—
167	C₄	—	2	2	no	—
168	C₄	—	2	1	no	—
169	C₄	—	2	1	no	—
170	C₄	—	4	1	no	—
171	C₄	—	4	1	no	—
172	C₄	—	4	1	no	—
173	C₄	—	4	1	no	—
174	C₄	—	4	1	no	—
175	C₄	C₂×#41	1	1	yes	characteristic
176	C₄	H(5,𝔽₂)	1	1	yes	characteristic
177	C₂	—	4	1	no	—
178	C₂	—	4	1	no	—
179	C₂	—	8	1	no	—
180	C₂	—	8	1	no	—
181	C₂	#546	1	1	yes	characteristic
182	C₂	#575	1	1	yes	characteristic
183	C₂	#577	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂²	C₂²×D₄
commutator, Frattini, cosocle	C₂×C₄	C₂⁴
prime radical	#550	C₂
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. #552	C₂	semidirect
3. #490	C₂	semidirect
4. #482	C₂	semidirect
5. #481	C₂	semidirect
6. #479	C₂	semidirect
7. #468	C₂	semidirect
8. #465	C₂	semidirect
9. #460	C₂	semidirect
10. #452	C₂	semidirect
11. #452	C₂	semidirect
12. #441	C₂	semidirect
13. #435	C₂	semidirect
14. #417	C₂	semidirect
15. #416	C₂	semidirect

Maximal subgroups

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

subgroup	index
#552	2
#550	2
#490	2
#482	2
#481	2
#479	2
#468	2
#465	2
#460	2
#452	2
#441	2
#435	2
#417	2
#416	2