Finite Group Databasebeta

← C2×#1647 #18495

Subgroups — C2×#1647 #18495

Order 256.

619 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 619 conjugacy classes of subgroups — too many to draw. Only its 143 normal subgroups are shown.

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

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#547C211yesmaximal, characteristic
2C2×#500C211yesmaximal, characteristic, complemented
3C2×#474C211yesmaximal, characteristic, complemented
4C2×#461C211yesmaximal, characteristic, complemented
5#1647C218yesmaximal, direct product factor
6C2×#332C211yesmaximal, characteristic, complemented
7C2×D4⋊C8C211yesmaximal, characteristic, complemented
8C2×D4⋊C8C211yesmaximal, characteristic, complemented
9C22×#41—21no—
10C22×SD16—21no—
11#547—22no—
12#547—22no—
13#547—22no—
14#547C2214yes—
15C2×C4⋊Q8C2211yescharacteristic
16C2×C4⋊Q8C2211yescharacteristic
17C2×#123—22no—
18C2×C22⋊Q8—21no—
19C2×#121—21no—
20C2×C4×D4C2211yescharacteristic
21C2×C4×D4C2211yescharacteristic
22C22×C4⋊C4—21no—
23#500—22no—
24#500C2214yescomplemented
25#474—22no—
26#474C2214yescomplemented
27#461—22no—
28#461C2214yescomplemented
29C2×#107—22no—
30C2×#107—21no—
31C2×C4⋊C8C2211yescharacteristic
32C2×C4⋊C8C2211yescharacteristic
33C2×#103—21no—
34C2×#102—21no—
35C2×C4×C8C2211yescharacteristic
36#332C2214yescomplemented
37D4⋊C8C2214yescomplemented
38D4⋊C8C2214yescomplemented
39C2×#41—24no—
40C2×#41—24no—
41C2×#41—44no—
42C2×#41—44no—
43C22×Q8—21no—
44C22×Q8—21no—
45C22×D4—22no—
46C22×D4D411yescharacteristic
47C22×D4D411yescharacteristic
48C23×C4—22no—
49C23×C4—21no—
50C23×C4—21no—
51C2×SD16—24no—
52C2×SD16—44no—
53C22×C8—21no—
54C22×C8—21no—
55C22×C8—21no—
56C4⋊Q8—21no—
57C4⋊Q8—21no—
58C4⋊Q8—21no—
59C4⋊Q8—21no—
60C4⋊Q8—21no—
61C4⋊Q8D412yes—
62C4⋊Q8C2312yes—
63C4⋊Q8C2312yes—
64#123—28no—
65#123—28no—
66C22⋊Q8—24no—
67C22⋊Q8—24no—
68#121—24no—
69#121—24no—
70C4×D4—21no—
71C4×D4—21no—
72C4×D4—21no—
73C4×D4—21no—
74C4×D4D412yes—
75C4×D4D412yes—
76C4×D4C2312yes—
77C4×D4C2312yes—
78C2×C4⋊C4—22no—
79C2×C4⋊C4—24no—
80C2×C4⋊C4—21no—
81C2×C4⋊C4—24no—
82C2×C4⋊C4—21no—
83C2×C4⋊C4—21no—
84C2×C4⋊C4D411yescharacteristic
85C2×C4⋊C4D411yescharacteristic
86C2×C4⋊C4D412yes—
87C2×C22⋊C4—22no—
88C2×C22⋊C4—21no—
89C2×C22⋊C4—21no—
90C2×C42C2311yescharacteristic
91#107—24no—
92#107—28no—
93C4⋊C8—21no—
94C4⋊C8—21no—
95C4⋊C8C2312yes—
96C4⋊C8C2312yes—
97#103—24no—
98#102—24no—
99C4×C8—21no—
100C4×C8C2312yes—
101C24—21no—
102C24—21no—
103#41—48no—
104#41—416no—
105#41—48no—
106C2×Q8—22no—
107C2×Q8—22no—
108C2×Q8—22no—
109C2×Q8—41no—
110C2×Q8—42no—
111C2×Q8—42no—
112C2×Q8—42no—
113C2×Q8—42no—
114C2×D4—28no—
115C2×D4—21no—
116C2×D4—21no—
117C2×D4—22no—
118C2×D4—22no—
119C2×D4—22no—
120C2×D4—48no—
121C2×D4D814yes—
122C2×D4C2×D412yes—
123C2×D4C2×D412yes—
124C22×C4—28no—
125C22×C4—21no—
126C22×C4—21no—
127C22×C4—22no—
128C22×C4—22no—
129C22×C4—22no—
130C22×C4—22no—
131C22×C4—22no—
132C22×C4—48no—
133C22×C4—42no—
134C22×C4—42no—
135C22×C4—42no—
136C22×C4—42no—
137C22×C4—41no—
138C22×C4C2×D411yescharacteristic
139C22×C4C2×D411yescharacteristic
140C22×C4C2×D411yescharacteristic
141SD16—48no—
142C2×C8—24no—
143C2×C8—22no—
144C2×C8—22no—
145C2×C8—22no—
146C2×C8—42no—
147C2×C8—42no—
148C4⋊C4—28no—
149C4⋊C4—21no—
150C4⋊C4—22no—
151C4⋊C4—21no—
152C4⋊C4—22no—
153C4⋊C4—22no—
154C4⋊C4—22no—
155C4⋊C4—22no—
156C4⋊C4—41no—
157C4⋊C4—41no—
158C4⋊C4C2×D412yes—
159C4⋊C4C2×D412yes—
160C4⋊C4C2×D414yes—
161C22⋊C4—28no—
162C22⋊C4—22no—
163C22⋊C4—22no—
164C22⋊C4—22no—
165C22⋊C4—22no—
166C42C2×D411yescharacteristic
167C42C2×D411yescharacteristic
168C42C2×D411yescharacteristic
169C42C2411yescharacteristic
170C23—22no—
171C23—24no—
172C23—22no—
173C23—42no—
174C23—42no—
175C23—42no—
176C23—42no—
177C23—42no—
178C23#12011yescharacteristic
179Q8—42no—
180Q8—42no—
181Q8—44no—
182Q8—42no—
183Q8—42no—
184Q8—82no—
185D4—22no—
186D4—22no—
187D4—22no—
188D4—24no—
189D4—416no—
190D4—42no—
191D4C2×D814yes—
192C2×C4—22no—
193C2×C4—22no—
194C2×C4—22no—
195C2×C4—24no—
196C2×C4—416no—
197C2×C4—42no—
198C2×C4—44no—
199C2×C4—42no—
200C2×C4—42no—
201C2×C4—42no—
202C2×C4—42no—
203C2×C4—42no—
204C2×C4—44no—
205C2×C4—44no—
206C2×C4—42no—
207C2×C4—82no—
208C2×C4#12011yescharacteristic
209C2×C4#12011yescharacteristic
210C2×C4#12011yescharacteristic
211C2×C4C2×D812yes—
212C2×C4#13512yes—
213C2×C4AGL(1,ℤ/8)12yes—
214C2×C4#13712yes—
215C2×C4C22×D411yescharacteristic
216C2×C4C22×D411yescharacteristic
217C2×C4C22×D411yescharacteristic
218C8—24no—
219C8—42no—
220C8—42no—
221C22—24no—
222C22—48no—
223C22—42no—
224C22—42no—
225C22—42no—
226C22—42no—
227C22—42no—
228C22—84no—
229C22#44712yes—
230C22#45212yes—
231C22#45612yes—
232C22C2×#12011yescharacteristic
233C4—21no—
234C4—21no—
235C4—42no—
236C4—44no—
237C4—42no—
238C4—82no—
239C4#44712yes—
240C4#45212yes—
241C4C22×D811yescharacteristic
242C4C2×#13511yescharacteristic
243C4C2×AGL(1,ℤ/8)11yescharacteristic
244C4C2×#13711yescharacteristic
245C2—44no—
246C2—82no—
247C2#164714yesdirect product factor
248C2C2×#44711yescharacteristic
249C2C2×#45211yescharacteristic
250C2C2×#45611yescharacteristic
subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC42C24
prime radicalC2×#547C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#500C2semidirect
3. C2×#474C2semidirect
4. C2×#461C2semidirect
5. #1647C2direct (N × H)
6. C2×#332C2semidirect
7. C2×D4⋊C8C2semidirect
8. C2×D4⋊C8C2semidirect
24. #500C22semidirect
26. #474C22semidirect
28. #461C22semidirect
36. #332C22semidirect
37. D4⋊C8C22semidirect
38. D4⋊C8C22semidirect
247. C2#1647direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5472
C2×#5002
C2×#4742
C2×#4612
#16472
C2×#3322
C2×D4⋊C82