Finite Group Databasebeta

← C2×#1639 #18481

Subgroups — C2×#1639 #18481

Order 256.

845 conjugacy classes of subgroups; only the 151 normal subgroups are shown.

normal subgroups only

This group has 845 conjugacy classes of subgroups — too many to draw. Only its 151 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×D42C211yesmaximal, characteristic
2C2×#486C211yesmaximal, characteristic, complemented
3C2×#474C211yesmaximal, characteristic, complemented
4C2×#461C211yesmaximal, characteristic, complemented
5#1639C218yesmaximal, direct product factor
6C2×#331C211yesmaximal, characteristic, complemented
7C2×D4⋊C8C211yesmaximal, characteristic, complemented
8C2×D4⋊C8C211yesmaximal, characteristic, complemented
9C23×D4—21no—
10C23×D4—21no—
11C22×SD16—21no—
12D42—22no—
13D42—22no—
14D42—22no—
15D42C2214yes—
16C2×C4⋊Q8C2211yescharacteristic, complemented
17C2×#127C2211yescharacteristic
18C2×#121—21no—
19C2×#121—21no—
20C2×#120—22no—
21C2×C4×D4C2211yescharacteristic
22C2×C4×D4C2211yescharacteristic
23#486—22no—
24#486C2214yescomplemented
25#474—22no—
26#474C2214yescomplemented
27#461—22no—
28#461C2214yescomplemented
29C2×#107—21no—
30C2×C4⋊C8C2211yescharacteristic, complemented
31C2×C4⋊C8C2211yescharacteristic, complemented
32C2×#103—21no—
33C2×#102—22no—
34C2×#102—21no—
35C2×C4×C8C2211yescharacteristic, complemented
36#331C2214yescomplemented
37D4⋊C8C2214yescomplemented
38D4⋊C8C2214yescomplemented
39C25—22no—
40C22×Q8—21no—
41C22×D4—22no—
42C22×D4—22no—
43C22×D4—24no—
44C22×D4—24no—
45C22×D4—24no—
46C22×D4—24no—
47C22×D4—21no—
48C22×D4—21no—
49C22×D4—44no—
50C22×D4—44no—
51C22×D4—44no—
52C22×D4—44no—
53C22×D4D411yescharacteristic
54C22×D4D411yescharacteristic
55C22×D4D412yes—
56C23×C4—21no—
57C23×C4—21no—
58C2×SD16—24no—
59C2×SD16—44no—
60C22×C8—21no—
61C22×C8—21no—
62C22×C8—21no—
63C4⋊Q8—21no—
64C4⋊Q8—21no—
65C4⋊Q8—21no—
66C4⋊Q8C2312yescomplemented
67#127—21no—
68#127—21no—
69#127D412yes—
70#127C2312yes—
71#121—24no—
72#121—24no—
73#121—24no—
74#121—24no—
75#120—28no—
76#120—28no—
77C4×D4—21no—
78C4×D4—21no—
79C4×D4—21no—
80C4×D4—21no—
81C4×D4D412yes—
82C4×D4D412yes—
83C4×D4C2312yes—
84C4×D4C2312yes—
85C2×C4⋊C4—21no—
86C2×C4⋊C4—21no—
87C2×C4⋊C4D411yescharacteristic
88C2×C4⋊C4D411yescharacteristic
89C2×C22⋊C4—22no—
90C2×C22⋊C4—21no—
91C2×C22⋊C4—21no—
92C2×C42C2311yescharacteristic
93#107—24no—
94C4⋊C8—21no—
95C4⋊C8—21no—
96C4⋊C8C2312yescomplemented
97C4⋊C8C2312yescomplemented
98#103—24no—
99#102—24no—
100#102—28no—
101C4×C8—21no—
102C4×C8C2312yescomplemented
103C24—21no—
104C24—21no—
105C24—28no—
106C24—22no—
107C24—48no—
108C24—48no—
109C24—84no—
110C2×Q8—22no—
111C2×Q8—41no—
112C2×Q8—42no—
113C2×Q8—42no—
114C2×D4—28no—
115C2×D4—28no—
116C2×D4—21no—
117C2×D4—21no—
118C2×D4—22no—
119C2×D4—22no—
120C2×D4—22no—
121C2×D4—22no—
122C2×D4—22no—
123C2×D4—22no—
124C2×D4—22no—
125C2×D4—44no—
126C2×D4—48no—
127C2×D4—48no—
128C2×D4—416no—
129C2×D4—416no—
130C2×D4—48no—
131C2×D4—48no—
132C2×D4—48no—
133C2×D4—48no—
134C2×D4—42no—
135C2×D4—42no—
136C2×D4—42no—
137C2×D4—42no—
138C2×D4D814yes—
139C2×D4SD1614yescomplemented
140C2×D4C2×D412yes—
141C2×D4C2×D412yes—
142C2×D4C2×D414yes—
143C22×C4—21no—
144C22×C4—21no—
145C22×C4—22no—
146C22×C4—22no—
147C22×C4—22no—
148C22×C4—22no—
149C22×C4—42no—
150C22×C4—42no—
151C22×C4—42no—
152C22×C4—42no—
153C22×C4—41no—
154C22×C4C2×D411yescharacteristic
155C22×C4C2×D411yescharacteristic
156C22×C4C2×D411yescharacteristic
157SD16—48no—
158C2×C8—22no—
159C2×C8—22no—
160C2×C8—22no—
161C2×C8—42no—
162C2×C8—42no—
163C2×C8—42no—
164C4⋊C4—21no—
165C4⋊C4—21no—
166C4⋊C4—22no—
167C4⋊C4—22no—
168C4⋊C4—41no—
169C4⋊C4—41no—
170C4⋊C4C2×D412yes—
171C4⋊C4C2×D412yes—
172C22⋊C4—28no—
173C22⋊C4—22no—
174C22⋊C4—22no—
175C22⋊C4—22no—
176C22⋊C4—22no—
177C42C2×D411yescharacteristic
178C42C2×D411yescharacteristic
179C42C2×D411yescharacteristic
180C42C2411yescharacteristic
181C23—22no—
182C23—22no—
183C23—24no—
184C23—24no—
185C23—24no—
186C23—416no—
187C23—416no—
188C23—42no—
189C23—42no—
190C23—42no—
191C23—42no—
192C23—44no—
193C23—44no—
194C23—44no—
195C23—88no—
196C23—832no—
197C23#12011yescharacteristic
198Q8—42no—
199Q8—42no—
200Q8—82no—
201D4—22no—
202D4—22no—
203D4—24no—
204D4—24no—
205D4—44no—
206D4—416no—
207D4—416no—
208D4—42no—
209D4—42no—
210D4—42no—
211D4—42no—
212D4—44no—
213D4—44no—
214D4—82no—
215D4C2×D814yes—
216D4C2×SD1614yescomplemented
217C2×C4—22no—
218C2×C4—22no—
219C2×C4—22no—
220C2×C4—42no—
221C2×C4—42no—
222C2×C4—42no—
223C2×C4—42no—
224C2×C4—42no—
225C2×C4—42no—
226C2×C4—44no—
227C2×C4—44no—
228C2×C4—42no—
229C2×C4—82no—
230C2×C4#12011yescharacteristic
231C2×C4#12011yescharacteristic
232C2×C4#12011yescharacteristic
233C2×C4C2×D812yes—
234C2×C4C2×SD1612yes—
235C2×C4AGL(1,ℤ/8)12yes—
236C2×C4AGL(1,ℤ/8)12yes—
237C2×C4C22×D411yescharacteristic
238C2×C4C22×D411yescharacteristic
239C2×C4C22×D411yescharacteristic
240C8—42no—
241C8—42no—
242C8—42no—
243C22—24no—
244C22—24no—
245C22—48no—
246C22—48no—
247C22—42no—
248C22—42no—
249C22—42no—
250C22—42no—
251C22—44no—
252C22—44no—
253C22—44no—
254C22—832no—
255C22—88no—
256C22#44712yes—
257C22#45012yes—
258C22#45512yes—
259C22C2×#12011yescharacteristic
260C4—21no—
261C4—21no—
262C4—42no—
263C4—42no—
264C4—82no—
265C4#44712yes—
266C4#45012yes—
267C4C22×D811yescharacteristic
268C4C22×SD1611yescharacteristic
269C4C2×AGL(1,ℤ/8)11yescharacteristic
270C4C2×AGL(1,ℤ/8)11yescharacteristic
271C2—44no—
272C2—44no—
273C2—84no—
274C2#163914yesdirect product factor
275C2C2×#44711yescharacteristic
276C2C2×#45011yescharacteristic
277C2C2×#45511yescharacteristic
subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC42C24
prime radicalC2×D42C2
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×#486C2semidirect
3. C2×#474C2semidirect
4. C2×#461C2semidirect
5. #1639C2direct (N × H)
6. C2×#331C2semidirect
7. C2×D4⋊C8C2semidirect
8. C2×D4⋊C8C2semidirect
16. C2×C4⋊Q8C22semidirect
24. #486C22semidirect
26. #474C22semidirect
28. #461C22semidirect
30. C2×C4⋊C8C22semidirect
31. C2×C4⋊C8C22semidirect
35. C2×C4×C8C22semidirect
36. #331C22semidirect
37. D4⋊C8C22semidirect
38. D4⋊C8C22semidirect
66. C4⋊Q8C23semidirect
96. C4⋊C8C23semidirect
97. C4⋊C8C23semidirect
102. C4×C8C23semidirect
139. C2×D4SD16semidirect
216. D4C2×SD16semidirect
274. C2#1639direct (N × H)

Maximal subgroups

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

subgroupindex
C2×D422
C2×#4862
C2×#4742
C2×#4612
#16392
C2×#3312
C2×D4⋊C82