Finite Group Databasebeta

← C2×#1621 #18504

Subgroups — C2×#1621 #18504

Order 256.

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

normal subgroups only

This group has 719 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×#550C211yesmaximal, characteristic, complemented
2C2×#493C211yesmaximal, characteristic, complemented
3C2×#460C211yesmaximal, characteristic, complemented
4C2×#459C211yesmaximal, characteristic, complemented
5#1621C218yesmaximal, direct product factor
6C2×#331C211yesmaximal, characteristic, complemented
7C2×Q8⋊C8C211yesmaximal, characteristic, complemented
8C2×D4⋊C8C211yesmaximal, characteristic, complemented
9C22×#41—21no—
10C22×SD16—21no—
11C22×D8—22no—
12C22×D8—21no—
13#550—22no—
14#550—22no—
15#550—22no—
16#550C2214yescomplemented
17C2×#127—21no—
18C2×#127C2211yescharacteristic
19C2×#127C2211yescharacteristic
20C2×#121—22no—
21C2×#121—21no—
22C2×C4×Q8C2211yescharacteristic
23C2×C4×D4—21no—
24C2×C4×D4C2211yescharacteristic
25#493—22no—
26#493C2214yescomplemented
27#460—22no—
28#460C2214yescomplemented
29#459—22no—
30#459C2214yescomplemented
31C2×C4⋊C8C2211yescharacteristic
32C2×C4⋊C8C2211yescharacteristic
33C2×#102—21no—
34C2×#102—21no—
35C2×C4×C8C2211yescharacteristic
36#331C2214yescomplemented
37Q8⋊C8C2214yescomplemented
38D4⋊C8C2214yescomplemented
39C2×#41—24no—
40C2×#41—24no—
41C2×#41—44no—
42C2×#41—44no—
43C22×Q8D411yescharacteristic
44C22×D4—22no—
45C22×D4—22no—
46C22×D4—21no—
47C22×D4—21no—
48C22×D4—21no—
49C22×D4—21no—
50C22×D4—21no—
51C22×D4D411yescharacteristic
52C22×D4D412yes—
53C23×C4—22no—
54C23×C4—21no—
55C2×SD16—24no—
56C2×SD16—44no—
57C2×D8—24no—
58C2×D8—28no—
59C2×D8—48no—
60C2×D8—44no—
61C22×C8—21no—
62C22×C8—21no—
63C22×C8—21no—
64#127—24no—
65#127—24no—
66#127—21no—
67#127—21no—
68#127—21no—
69#127—21no—
70#127—21no—
71#127D412yes—
72#127C2312yes—
73#127C2312yes—
74#121—24no—
75#121—28no—
76#121—28no—
77#121—24no—
78C4×Q8—21no—
79C4×Q8—21no—
80C4×Q8D412yes—
81C4×Q8C2312yes—
82C4×D4—24no—
83C4×D4—24no—
84C4×D4—21no—
85C4×D4—21no—
86C4×D4D412yes—
87C4×D4C2312yes—
88C2×C4⋊C4—21no—
89C2×C4⋊C4D411yescharacteristic
90C2×C4⋊C4D411yescharacteristic
91C2×C22⋊C4—22no—
92C2×C22⋊C4—21no—
93C2×C42—21no—
94C2×C42C2311yescharacteristic
95C4⋊C8—21no—
96C4⋊C8—21no—
97C4⋊C8C2312yes—
98C4⋊C8C2312yes—
99#102—24no—
100#102—24no—
101C4×C8—21no—
102C4×C8C2312yes—
103C24—21no—
104C24—22no—
105C24—41no—
106#41—48no—
107#41—416no—
108#41—48no—
109C2×Q8—21no—
110C2×Q8—22no—
111C2×Q8D814yescomplemented
112C2×Q8C2×D412yes—
113C2×D4—28no—
114C2×D4—28no—
115C2×D4—21no—
116C2×D4—22no—
117C2×D4—22no—
118C2×D4—22no—
119C2×D4—22no—
120C2×D4—22no—
121C2×D4—22no—
122C2×D4—22no—
123C2×D4—22no—
124C2×D4—22no—
125C2×D4—22no—
126C2×D4—48no—
127C2×D4—44no—
128C2×D4—44no—
129C2×D4—41no—
130C2×D4—41no—
131C2×D4—41no—
132C2×D4—42no—
133C2×D4—42no—
134C2×D4—42no—
135C2×D4—42no—
136C2×D4—42no—
137C2×D4—42no—
138C2×D4—42no—
139C2×D4—42no—
140C2×D4—84no—
141C2×D4C2×D412yes—
142C2×D4C2×D414yes—
143C22×C4—21no—
144C22×C4—28no—
145C22×C4—21no—
146C22×C4—21no—
147C22×C4—22no—
148C22×C4—22no—
149C22×C4—48no—
150C22×C4—42no—
151C22×C4—42no—
152C22×C4C2×D411yescharacteristic
153C22×C4C2×D411yescharacteristic
154C22×C4C2×D411yescharacteristic
155SD16—48no—
156D8—416no—
157D8—48no—
158C2×C8—24no—
159C2×C8—22no—
160C2×C8—22no—
161C2×C8—22no—
162C2×C8—42no—
163C2×C8—42no—
164C4⋊C4—22no—
165C4⋊C4—21no—
166C4⋊C4—21no—
167C4⋊C4—22no—
168C4⋊C4C2×D412yes—
169C4⋊C4C2×D412yes—
170C22⋊C4—28no—
171C22⋊C4—22no—
172C22⋊C4—22no—
173C42—22no—
174C42—22no—
175C42C2×D411yescharacteristic
176C42C2×D411yescharacteristic
177C42C2×D411yescharacteristic
178C42C2411yescharacteristic
179C23—22no—
180C23—24no—
181C23—44no—
182C23—42no—
183C23—42no—
184C23—44no—
185C23—44no—
186C23—42no—
187C23—42no—
188C23—82no—
189C23—82no—
190C23—82no—
191C23#12011yescharacteristic
192Q8—22no—
193Q8—24no—
194Q8C2×D814yescomplemented
195D4—22no—
196D4—22no—
197D4—44no—
198D4—416no—
199D4—44no—
200D4—42no—
201D4—42no—
202D4—42no—
203D4—42no—
204D4—42no—
205D4—42no—
206D4—42no—
207D4—42no—
208D4—44no—
209D4—42no—
210D4—44no—
211D4—82no—
212D4—82no—
213D4—88no—
214D4—82no—
215D4—82no—
216C2×C4—22no—
217C2×C4—24no—
218C2×C4—22no—
219C2×C4—22no—
220C2×C4—22no—
221C2×C4—416no—
222C2×C4—42no—
223C2×C4—42no—
224C2×C4—42no—
225C2×C4—42no—
226C2×C4—44no—
227C2×C4#12011yescharacteristic
228C2×C4#12011yescharacteristic
229C2×C4#12011yescharacteristic
230C2×C4C2×D812yes—
231C2×C4#13512yes—
232C2×C4AGL(1,ℤ/8)12yes—
233C2×C4AGL(1,ℤ/8)12yes—
234C2×C4C22×D411yescharacteristic
235C2×C4C22×D411yescharacteristic
236C2×C4C22×D411yescharacteristic
237C8—24no—
238C8—42no—
239C8—42no—
240C22—44no—
241C22—42no—
242C22—42no—
243C22—44no—
244C22—44no—
245C22—42no—
246C22—84no—
247C22—88no—
248C22—82no—
249C22—82no—
250C22—82no—
251C22—164no—
252C22#44712yes—
253C22#44912yes—
254C22#45312yes—
255C22C2×#12011yescharacteristic
256C4—24no—
257C4—21no—
258C4—21no—
259C4—42no—
260C4—42no—
261C4#44712yes—
262C4#44912yes—
263C4C22×D811yescharacteristic
264C4C2×#13511yescharacteristic
265C4C2×AGL(1,ℤ/8)11yescharacteristic
266C4C2×AGL(1,ℤ/8)11yescharacteristic
267C2—82no—
268C2—84no—
269C2—162no—
270C2#162114yesdirect product factor
271C2C2×#44711yescharacteristic
272C2C2×#44911yescharacteristic
273C2C2×#45311yescharacteristic
subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC42C24
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
1. C2×#550C2semidirect
2. C2×#493C2semidirect
3. C2×#460C2semidirect
4. C2×#459C2semidirect
5. #1621C2direct (N × H)
6. C2×#331C2semidirect
7. C2×Q8⋊C8C2semidirect
8. C2×D4⋊C8C2semidirect
16. #550C22semidirect
26. #493C22semidirect
28. #460C22semidirect
30. #459C22semidirect
36. #331C22semidirect
37. Q8⋊C8C22semidirect
38. D4⋊C8C22semidirect
111. C2×Q8D8semidirect
194. Q8C2×D8semidirect
270. C2#1621direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5502
C2×#4932
C2×#4602
C2×#4592
#16212
C2×#3312
C2×Q8⋊C82
C2×D4⋊C82