Finite Group Databasebeta

Subgroups — #19942

Order 256.

295 conjugacy classes of subgroups; only the 103 normal subgroups are shown.

normal subgroups only

This group has 295 conjugacy classes of subgroups — too many to draw. Only its 103 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	#3396	C₂	1	1	yes	maximal, characteristic
2	Q₈×Q₁₆	C₂	1	1	yes	maximal, characteristic, complemented
3	#3375	C₂	1	2	yes	maximal, complemented
4	#1706	C₂	1	1	yes	maximal, characteristic
5	#1698	C₂	1	2	yes	maximal, complemented
6	#1676	C₂	1	1	yes	maximal, characteristic, complemented
7	#1668	C₂	1	1	yes	maximal, characteristic
8	#1630	C₂	1	2	yes	maximal, complemented
9	#1623	C₂	1	2	yes	maximal, complemented
10	#1591	C₂	1	1	yes	maximal, characteristic, complemented
11	C₈×Q₁₆	C₂	1	1	yes	maximal, characteristic, complemented
12	#559	C₂²	1	2	yes	—
13	Q₈²	C₂²	1	2	yes	—
14	#500	—	2	1	no	—
15	#500	C₂²	1	1	yes	characteristic
16	#495	—	2	1	no	—
17	#493	C₂²	1	1	yes	characteristic
18	#492	C₂²	1	2	yes	—
19	#489	—	2	2	no	—
20	#486	C₂²	1	2	yes	—
21	#477	—	2	2	no	—
22	#477	C₂²	1	2	yes	—
23	#477	C₂²	1	2	yes	—
24	#474	—	2	2	no	—
25	#464	—	2	2	no	—
26	#463	—	2	2	no	—
27	#460	C₂²	1	2	yes	—
28	#460	C₂²	1	2	yes	—
29	#446	C₂²	1	2	yes	—
30	C₈×Q₈	C₂²	1	1	yes	characteristic
31	C₈×Q₈	C₂²	1	1	yes	characteristic
32	#440	—	2	2	no	—
33	C₄×Q₁₆	—	2	1	no	—
34	C₄×Q₁₆	C₂²	1	1	yes	characteristic
35	C₄×Q₁₆	C₂²	1	1	yes	characteristic
36	C₄×D₈	—	2	1	no	—
37	#335	C₂²	1	1	yes	characteristic
38	#335	C₂²	1	1	yes	characteristic
39	#333	C₂²	1	2	yes	—
40	#331	C₂²	1	2	yes	—
41	Q₈⋊C₈	C₂²	1	1	yes	characteristic
42	Q₈⋊C₈	C₂²	1	1	yes	characteristic
43	Q₈⋊C₈	C₂²	1	2	yes	—
44	C₈²	C₂²	1	1	yes	characteristic
45	C₂×Q₁₆	D₄	1	1	yes	characteristic
46	C₂×Q₁₆	D₄	1	1	yes	characteristic
47	C₂×SD₁₆	—	2	2	no	—
48	C₂×SD₁₆	—	2	2	no	—
49	C₂×SD₁₆	—	4	2	no	—
50	C₂×D₈	—	2	1	no	—
51	C₂×D₈	—	2	1	no	—
52	C₄⋊Q₈	—	2	2	no	—
53	C₄⋊Q₈	—	2	2	no	—
54	C₄⋊Q₈	—	4	2	no	—
55	C₄⋊Q₈	C₂³	1	2	yes	—
56	#127	C₂³	1	2	yes	—
57	#124	—	2	2	no	—
58	#124	—	2	2	no	—
59	#123	—	4	2	no	—
60	C₄×Q₈	—	2	2	no	—
61	C₄×Q₈	—	2	2	no	—
62	C₄×Q₈	C₂³	1	1	yes	characteristic
63	C₄×Q₈	C₂³	1	2	yes	—
64	C₄×Q₈	C₂³	1	1	yes	characteristic
65	C₄×D₄	—	2	2	no	—
66	C₄×D₄	—	2	2	no	—
67	#107	—	2	1	no	—
68	#107	—	2	1	no	—
69	#107	—	2	2	no	—
70	#107	—	2	2	no	—
71	#107	D₄	1	1	yes	characteristic
72	#107	D₄	1	1	yes	characteristic
73	C₄⋊C₈	—	2	1	no	—
74	C₄⋊C₈	—	2	1	no	—
75	C₄⋊C₈	—	2	2	no	—
76	C₄⋊C₈	C₂³	1	1	yes	characteristic
77	C₄⋊C₈	C₂³	1	2	yes	—
78	C₄⋊C₈	C₂³	1	1	yes	characteristic
79	#103	—	2	2	no	—
80	#103	—	2	2	no	—
81	#103	D₄	1	1	yes	characteristic
82	#103	D₄	1	2	yes	—
83	#103	D₄	1	1	yes	characteristic
84	#102	—	2	2	no	—
85	#102	—	2	2	no	—
86	#102	—	2	2	no	—
87	#102	—	2	2	no	—
88	#97	—	2	2	no	—
89	C₄×C₈	—	2	1	no	—
90	C₄×C₈	—	2	1	no	—
91	C₄×C₈	C₂³	1	1	yes	characteristic
92	C₄×C₈	C₂³	1	1	yes	characteristic
93	C₄×C₈	C₂³	1	1	yes	characteristic
94	C₂×Q₈	—	2	2	no	—
95	C₂×Q₈	—	4	2	no	—
96	C₂×Q₈	C₂×D₄	1	1	yes	characteristic
97	C₂×Q₈	C₂×D₄	1	2	yes	—
98	C₂×Q₈	C₂×D₄	1	1	yes	characteristic
99	C₂×D₄	—	2	2	no	—
100	C₂×D₄	—	2	2	no	—
101	C₂×D₄	—	2	2	no	—
102	C₂²×C₄	—	4	2	no	—
103	Q₁₆	—	2	2	no	—
104	Q₁₆	—	2	2	no	—
105	SD₁₆	—	4	4	no	—
106	SD₁₆	—	8	4	no	—
107	SD₁₆	—	8	2	no	—
108	D₈	—	4	2	no	—
109	D₈	—	8	1	no	—
110	C₂×C₈	—	2	1	no	—
111	C₂×C₈	—	2	1	no	—
112	C₂×C₈	—	2	1	no	—
113	C₂×C₈	—	2	2	no	—
114	C₂×C₈	C₂×D₄	1	1	yes	characteristic
115	C₂×C₈	C₂×D₄	1	1	yes	characteristic
116	C₂×C₈	C₂×D₄	1	1	yes	characteristic
117	C₂×C₈	C₂×D₄	1	1	yes	characteristic
118	C₄⋊C₄	—	2	1	no	—
119	C₄⋊C₄	—	2	2	no	—
120	C₄⋊C₄	—	2	1	no	—
121	C₄⋊C₄	—	2	2	no	—
122	C₄⋊C₄	—	2	2	no	—
123	C₄⋊C₄	—	4	2	no	—
124	C₄⋊C₄	—	4	2	no	—
125	C₄⋊C₄	C₂×D₄	1	1	yes	characteristic
126	C₄⋊C₄	C₂×D₄	1	2	yes	—
127	C₄⋊C₄	C₂×D₄	1	1	yes	characteristic
128	C₂²⋊C₄	—	4	2	no	—
129	C₂²⋊C₄	—	4	2	no	—
130	C₂²⋊C₄	—	4	2	no	—
131	C₄²	—	2	1	no	—
132	C₄²	—	2	1	no	—
133	C₄²	—	2	2	no	—
134	C₄²	—	4	2	no	—
135	C₄²	C₂⁴	1	1	yes	characteristic
136	C₂³	—	4	2	no	—
137	Q₈	—	2	1	no	—
138	Q₈	—	2	1	no	—
139	Q₈	—	2	2	no	—
140	Q₈	—	2	2	no	—
141	Q₈	—	2	1	no	—
142	Q₈	—	8	2	no	—
143	Q₈	—	16	2	no	—
144	Q₈	#135	1	2	yes	—
145	D₄	—	4	2	no	—
146	D₄	—	4	2	no	—
147	D₄	—	4	2	no	—
148	D₄	—	4	2	no	—
149	D₄	—	8	2	no	—
150	C₂×C₄	—	2	1	no	—
151	C₂×C₄	—	2	2	no	—
152	C₂×C₄	—	2	1	no	—
153	C₂×C₄	—	2	1	no	—
154	C₂×C₄	—	2	2	no	—
155	C₂×C₄	—	2	1	no	—
156	C₂×C₄	—	4	2	no	—
157	C₂×C₄	—	16	2	no	—
158	C₂×C₄	C₂²×D₄	1	1	yes	characteristic
159	C₂×C₄	C₂²×D₄	1	1	yes	characteristic
160	C₂×C₄	H(5,𝔽₂)	1	1	yes	characteristic
161	C₈	—	2	2	no	—
162	C₈	—	2	1	no	—
163	C₈	—	2	1	no	—
164	C₈	—	2	1	no	—
165	C₈	—	4	2	no	—
166	C₈	—	4	1	no	—
167	C₈	—	4	1	no	—
168	C₈	#137	1	2	yes	—
169	C₂²	—	8	2	no	—
170	C₂²	—	8	2	no	—
171	C₂²	—	8	2	no	—
172	C₂²	D₄²	1	1	yes	characteristic
173	C₄	—	2	2	no	—
174	C₄	—	2	1	no	—
175	C₄	—	4	2	no	—
176	C₄	—	4	1	no	—
177	C₄	—	4	1	no	—
178	C₄	—	4	2	no	—
179	C₄	—	4	1	no	—
180	C₄	—	8	2	no	—
181	C₄	C₂×#135	1	1	yes	characteristic
182	C₄	C₂×#137	1	1	yes	characteristic
183	C₄	#577	1	1	yes	characteristic
184	C₄	#578	1	1	yes	characteristic
185	C₂	—	16	2	no	—
186	C₂	#3278	1	1	yes	characteristic
187	C₂	#3285	1	1	yes	characteristic
188	C₂	#3292	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂²	D₄²
commutator, Frattini, cosocle	C₄²	C₂⁴
prime radical	#493	C₂²
LCS	G ▷ C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₄² ◁ G
LECS	G ▷ C₄² ▷ C₂² ▷ C₁

Complements

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

N	H ≅ G/N	type
2. Q₈×Q₁₆	C₂	semidirect
3. #3375	C₂	semidirect
5. #1698	C₂	semidirect
6. #1676	C₂	semidirect
8. #1630	C₂	semidirect
9. #1623	C₂	semidirect
10. #1591	C₂	semidirect
11. C₈×Q₁₆	C₂	semidirect

Maximal subgroups

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

subgroup	index
#3396	2
Q₈×Q₁₆	2
#3375	2
#1706	2
#1698	2
#1676	2
#1668	2
#1630	2
#1623	2
#1591	2
C₈×Q₁₆	2