Finite Group Databasebeta

Subgroups — #3320

Order 128.

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

normal subgroups only

This group has 194 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	#553	C₂	1	1	yes	maximal, characteristic
2	D₄×Q₈	C₂	1	1	yes	maximal, characteristic, complemented
3	#491	C₂	1	1	yes	maximal, characteristic, complemented
4	#485	C₂	1	1	yes	maximal, characteristic, complemented
5	#484	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	#461	C₂	1	1	yes	maximal, characteristic, complemented
10	#448	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	#419	C₂	1	1	yes	maximal, characteristic, complemented
15	C₂×#103	C₂	1	1	yes	maximal, characteristic, complemented
16	C₂²×Q₈	C₂²	1	1	yes	characteristic
17	C₂²×Q₈	C₂²	1	1	yes	characteristic
18	C₂×SD₁₆	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	C₄⋊Q₈	—	2	1	no	—
24	C₄⋊Q₈	C₂²	1	1	yes	characteristic
25	#126	—	2	1	no	—
26	#125	C₂²	1	1	yes	characteristic
27	#123	—	2	1	no	—
28	C₂²⋊Q₈	—	2	1	no	—
29	C₂²⋊Q₈	—	2	1	no	—
30	C₂²⋊Q₈	C₂²	1	1	yes	characteristic
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	C₄×Q₈	C₂²	1	1	yes	characteristic
36	C₄×D₄	—	2	1	no	—
37	C₄×D₄	—	2	1	no	—
38	C₄×D₄	C₂²	1	1	yes	characteristic
39	C₄×D₄	C₂²	1	1	yes	characteristic
40	#117	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	#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	#103	C₂²	1	1	yes	characteristic
51	#103	C₂²	1	1	yes	characteristic
52	#103	C₂²	1	1	yes	characteristic
53	#103	C₂²	1	1	yes	characteristic
54	#103	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	C₂×Q₈	—	2	1	no	—
60	C₂×Q₈	—	2	1	no	—
61	C₂×Q₈	—	2	2	no	—
62	C₂×Q₈	—	2	2	no	—
63	C₂×Q₈	—	4	1	no	—
64	C₂×Q₈	—	4	1	no	—
65	C₂×Q₈	C₂³	1	1	yes	characteristic
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	D₄	1	1	yes	characteristic
71	C₂×D₄	C₂³	1	1	yes	characteristic
72	C₂²×C₄	—	2	1	no	—
73	C₂²×C₄	—	2	1	no	—
74	C₂²×C₄	—	2	1	no	—
75	C₂²×C₄	—	2	1	no	—
76	C₂²×C₄	C₂³	1	1	yes	characteristic
77	C₂²×C₄	C₂³	1	1	yes	characteristic
78	SD₁₆	—	2	2	no	—
79	SD₁₆	—	4	1	no	—
80	SD₁₆	—	4	1	no	—
81	M₁₆	—	4	1	no	—
82	C₂×C₈	—	4	1	no	—
83	C₂×C₈	C₂³	1	1	yes	characteristic
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	C₄⋊C₄	—	2	1	no	—
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	—	2	1	no	—
106	C₂²⋊C₄	D₄	1	1	yes	characteristic
107	C₂²⋊C₄	D₄	1	1	yes	characteristic
108	C₄²	—	2	1	no	—
109	C₄²	—	2	1	no	—
110	C₄²	C₂³	1	1	yes	characteristic
111	C₂³	—	2	1	no	—
112	C₂³	C₂×D₄	1	1	yes	characteristic
113	C₂³	C₂×D₄	1	1	yes	characteristic
114	Q₈	—	2	1	no	—
115	Q₈	—	2	1	no	—
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	—
122	D₄	—	2	2	no	—
123	D₄	—	2	1	no	—
124	D₄	—	2	1	no	—
125	D₄	—	4	2	no	—
126	D₄	—	8	1	no	—
127	C₂×C₄	—	2	1	no	—
128	C₂×C₄	—	2	1	no	—
129	C₂×C₄	—	2	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	—	4	2	no	—
139	C₂×C₄	—	4	2	no	—
140	C₂×C₄	—	8	1	no	—
141	C₂×C₄	—	8	1	no	—
142	C₂×C₄	C₂×D₄	1	1	yes	characteristic
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	C₂⁴	1	1	yes	characteristic
147	C₈	—	2	1	no	—
148	C₈	—	2	1	no	—
149	C₈	—	2	1	no	—
150	C₈	—	2	1	no	—
151	C₂²	—	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	—	4	1	no	—
157	C₂²	—	4	1	no	—
158	C₂²	—	4	1	no	—
159	C₂²	#137	1	2	yes	—
160	C₂²	C₂²×D₄	1	1	yes	characteristic
161	C₄	—	2	1	no	—
162	C₄	—	2	1	no	—
163	C₄	—	2	2	no	—
164	C₄	—	2	1	no	—
165	C₄	—	2	1	no	—
166	C₄	—	4	1	no	—
167	C₄	—	4	1	no	—
168	C₄	—	4	1	no	—
169	C₄	—	4	1	no	—
170	C₄	—	4	1	no	—
171	C₄	—	4	1	no	—
172	C₄	C₂×#41	1	1	yes	characteristic
173	C₄	H(5,𝔽₂)	1	1	yes	characteristic
174	C₂	—	2	2	no	—
175	C₂	—	4	1	no	—
176	C₂	—	8	1	no	—
177	C₂	#546	1	1	yes	characteristic
178	C₂	C₂×#137	1	1	yes	characteristic
179	C₂	#577	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂²	C₂²×D₄
commutator, Frattini, cosocle	C₂×C₄	C₂⁴
prime radical	#553	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
2. D₄×Q₈	C₂	semidirect
3. #491	C₂	semidirect
4. #485	C₂	semidirect
5. #484	C₂	semidirect
6. #479	C₂	semidirect
7. #468	C₂	semidirect
8. #465	C₂	semidirect
9. #461	C₂	semidirect
10. #448	C₂	semidirect
11. #448	C₂	semidirect
12. #440	C₂	semidirect
13. #435	C₂	semidirect
14. #419	C₂	semidirect
15. C₂×#103	C₂	semidirect

Maximal subgroups

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

subgroup	index
#553	2
D₄×Q₈	2
#491	2
#485	2
#484	2
#479	2
#468	2
#465	2
#461	2
#448	2
#440	2
#435	2
#419	2
C₂×#103	2