Finite Group Databasebeta

Subgroups — #3376

Order 128.

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

normal subgroups only

This group has 173 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	#556	C₂	1	1	yes	maximal, characteristic, complemented
2	#554	C₂	1	1	yes	maximal, characteristic, complemented
3	#491	C₂	1	1	yes	maximal, characteristic, complemented
4	#489	C₂	1	1	yes	maximal, characteristic, complemented
5	#488	C₂	1	1	yes	maximal, characteristic, complemented
6	#479	C₂	1	1	yes	maximal, characteristic, complemented
7	#478	C₂	1	1	yes	maximal, characteristic, complemented
8	#475	C₂	1	1	yes	maximal, characteristic, complemented
9	#463	C₂	1	1	yes	maximal, characteristic
10	#463	C₂	1	1	yes	maximal, characteristic
11	#461	C₂	1	1	yes	maximal, characteristic, complemented
12	#446	C₂	1	1	yes	maximal, characteristic, complemented
13	#442	C₂	1	1	yes	maximal, characteristic
14	#440	C₂	1	1	yes	maximal, characteristic, complemented
15	C₄×SD₁₆	C₂	1	1	yes	maximal, characteristic, complemented
16	C₂×SD₁₆	C₂²	1	1	yes	characteristic
17	C₂×SD₁₆	C₂²	1	1	yes	characteristic
18	C₂×D₈	C₂²	1	1	yes	characteristic
19	C₄⋊Q₈	C₂²	1	1	yes	characteristic
20	C₄⋊Q₈	C₂²	1	1	yes	characteristic
21	#126	—	2	1	no	—
22	#126	—	2	1	no	—
23	#125	C₂²	1	1	yes	characteristic
24	#125	C₂²	1	1	yes	characteristic
25	#124	C₂²	1	1	yes	characteristic
26	#124	C₂²	1	1	yes	characteristic
27	C₂²⋊Q₈	—	2	1	no	—
28	C₂²⋊Q₈	—	2	1	no	—
29	C₂²⋊Q₈	—	2	1	no	—
30	C₂²⋊Q₈	—	2	1	no	—
31	C₄×Q₈	C₂²	1	1	yes	characteristic
32	C₄×Q₈	C₂²	1	1	yes	characteristic
33	C₄×Q₈	C₂²	1	1	yes	characteristic
34	C₄×D₄	C₂²	1	1	yes	characteristic
35	C₄×D₄	C₂²	1	1	yes	characteristic
36	C₄×D₄	C₂²	1	1	yes	characteristic
37	C₄×D₄	C₂²	1	1	yes	characteristic
38	#117	—	2	1	no	—
39	C₂×C₄⋊C₄	—	2	1	no	—
40	#107	C₂²	1	1	yes	characteristic
41	#106	C₂²	1	1	yes	characteristic
42	#106	C₂²	1	1	yes	characteristic
43	C₄⋊C₈	C₂²	1	1	yes	characteristic
44	C₄⋊C₈	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	#97	C₂²	1	1	yes	characteristic
57	#97	C₂²	1	1	yes	characteristic
58	C₄×C₈	C₂²	1	1	yes	characteristic
59	C₂×Q₈	—	2	1	no	—
60	C₂×Q₈	D₄	1	1	yes	characteristic
61	C₂×Q₈	C₂³	1	1	yes	characteristic
62	C₂×Q₈	C₂³	1	1	yes	characteristic
63	C₂×D₄	C₂³	1	1	yes	characteristic
64	C₂×D₄	C₂³	1	1	yes	characteristic
65	C₂²×C₄	—	2	1	no	—
66	C₂²×C₄	—	2	1	no	—
67	C₂²×C₄	—	2	1	no	—
68	C₂²×C₄	—	2	1	no	—
69	SD₁₆	—	2	2	no	—
70	SD₁₆	—	2	2	no	—
71	D₈	—	2	2	no	—
72	C₂×C₈	C₂³	1	1	yes	characteristic
73	C₂×C₈	C₂³	1	1	yes	characteristic
74	C₂×C₈	C₂³	1	1	yes	characteristic
75	C₂×C₈	C₂³	1	1	yes	characteristic
76	C₄⋊C₄	—	2	1	no	—
77	C₄⋊C₄	—	2	1	no	—
78	C₄⋊C₄	—	2	1	no	—
79	C₄⋊C₄	—	2	1	no	—
80	C₄⋊C₄	—	2	1	no	—
81	C₄⋊C₄	—	2	1	no	—
82	C₄⋊C₄	—	2	1	no	—
83	C₄⋊C₄	—	2	1	no	—
84	C₄⋊C₄	—	2	1	no	—
85	C₄⋊C₄	D₄	1	1	yes	characteristic
86	C₄⋊C₄	D₄	1	1	yes	characteristic
87	C₄⋊C₄	D₄	1	1	yes	characteristic
88	C₄⋊C₄	C₂³	1	1	yes	characteristic
89	C₄⋊C₄	C₂³	1	1	yes	characteristic
90	C₄⋊C₄	C₂³	1	1	yes	characteristic
91	C₄⋊C₄	C₂³	1	1	yes	characteristic
92	C₂²⋊C₄	—	2	1	no	—
93	C₂²⋊C₄	—	2	1	no	—
94	C₂²⋊C₄	—	2	1	no	—
95	C₂²⋊C₄	—	2	1	no	—
96	C₂²⋊C₄	—	2	1	no	—
97	C₂²⋊C₄	—	2	1	no	—
98	C₂²⋊C₄	—	2	1	no	—
99	C₂²⋊C₄	—	2	1	no	—
100	C₄²	—	2	1	no	—
101	C₄²	—	2	1	no	—
102	C₄²	C₂³	1	1	yes	characteristic
103	C₄²	C₂³	1	1	yes	characteristic
104	C₄²	C₂³	1	1	yes	characteristic
105	C₂³	—	2	1	no	—
106	C₂³	—	2	1	no	—
107	Q₈	—	2	1	no	—
108	Q₈	—	2	1	no	—
109	Q₈	—	2	1	no	—
110	Q₈	—	2	1	no	—
111	Q₈	—	4	1	no	—
112	Q₈	—	8	1	no	—
113	D₄	—	2	1	no	—
114	D₄	—	2	1	no	—
115	D₄	—	2	1	no	—
116	D₄	#41	1	2	yes	—
117	C₂×C₄	—	2	1	no	—
118	C₂×C₄	—	2	1	no	—
119	C₂×C₄	—	2	1	no	—
120	C₂×C₄	—	2	1	no	—
121	C₂×C₄	—	2	1	no	—
122	C₂×C₄	—	2	1	no	—
123	C₂×C₄	—	4	2	no	—
124	C₂×C₄	—	4	2	no	—
125	C₂×C₄	—	8	1	no	—
126	C₂×C₄	—	8	1	no	—
127	C₂×C₄	C₂×D₄	1	1	yes	characteristic
128	C₂×C₄	C₂×D₄	1	1	yes	characteristic
129	C₂×C₄	C₂×D₄	1	1	yes	characteristic
130	C₂×C₄	C₂×D₄	1	1	yes	characteristic
131	C₂×C₄	C₂×D₄	1	1	yes	characteristic
132	C₂×C₄	C₂×D₄	1	1	yes	characteristic
133	C₂×C₄	C₂⁴	1	1	yes	characteristic
134	C₈	—	2	1	no	—
135	C₈	—	2	1	no	—
136	C₈	—	2	1	no	—
137	C₈	—	2	1	no	—
138	C₂²	—	2	2	no	—
139	C₂²	—	4	1	no	—
140	C₂²	—	4	1	no	—
141	C₂²	—	4	1	no	—
142	C₂²	—	4	1	no	—
143	C₂²	—	4	1	no	—
144	C₂²	C₂²×D₄	1	1	yes	characteristic
145	C₄	—	2	1	no	—
146	C₄	—	2	1	no	—
147	C₄	—	2	1	no	—
148	C₄	—	2	1	no	—
149	C₄	—	2	1	no	—
150	C₄	—	2	1	no	—
151	C₄	—	4	1	no	—
152	C₄	—	4	1	no	—
153	C₄	—	4	1	no	—
154	C₄	—	4	1	no	—
155	C₄	—	4	1	no	—
156	C₄	—	4	1	no	—
157	C₄	C₂×#41	1	1	yes	characteristic
158	C₄	2₋¹⁺⁴	1	1	yes	characteristic
159	C₂	—	4	2	no	—
160	C₂	—	8	1	no	—
161	C₂	#548	1	1	yes	characteristic
162	C₂	#575	1	1	yes	characteristic
163	C₂	#577	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂²	C₂²×D₄
commutator, Frattini, cosocle	C₂×C₄	C₂⁴
prime radical	C₂×D₈	C₂²
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₄×Q₈ ◁ G
LECS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁

Complements

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

N	H ≅ G/N	type
1. #556	C₂	semidirect
2. #554	C₂	semidirect
3. #491	C₂	semidirect
4. #489	C₂	semidirect
5. #488	C₂	semidirect
6. #479	C₂	semidirect
7. #478	C₂	semidirect
8. #475	C₂	semidirect
11. #461	C₂	semidirect
12. #446	C₂	semidirect
14. #440	C₂	semidirect
15. C₄×SD₁₆	C₂	semidirect

Maximal subgroups

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

subgroup	index
#556	2
#554	2
#491	2
#489	2
#488	2
#479	2
#478	2
#475	2
#463	2
#461	2
#446	2
#442	2
#440	2
C₄×SD₁₆	2