Finite Group Databasebeta

← C2×C4×#99 #20390

Subgroups — C2×C4×#99 #20390

Order 256.

1121 conjugacy classes of subgroups.

The subgroup lattice has 275 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×C4×D4C211yesmaximal, characteristic
2C22×#99C212yesmaximal
3C2×C4×C22⋊C4C212yesmaximal, complemented
4C4×#99C218yesmaximal, direct product factor
5C2×#342C212yesmaximal, complemented
6C23×D4C2211yescharacteristic
7C24×C4C411yescharacteristic, complemented
8C24×C4C2211yescharacteristic
9C2×C4×D4—22no—
10C2×C4×D4—24no—
11C2×C4×D4—22no—
12C2×C4×D4C414yescomplemented
13C2×C4×D4C2214yes—
14C22×C4⋊C4C411yescharacteristic, complemented
15C22×C22⋊C4C411yescharacteristic, complemented
16C22×C22⋊C4C2211yescharacteristic
17C22×C22⋊C4C2214yes—
18C22×C42—22no—
19C22×C42C411yescharacteristic, complemented
20C2×#99C4116yesdirect product factor
21C2×#99C2218yes—
22C4×C22⋊C4—24no—
23C4×C22⋊C4C2218yescomplemented
24C2×#95—22no—
25#342C2218yescomplemented
26C25C2×C411yescharacteristic
27C25C2311yescharacteristic
28C22×D4—22no—
29C22×D4—22no—
30C22×D4—24no—
31C22×D4C2×C418yes—
32C22×D4C2×C412yes—
33C22×D4C2312yes—
34C23×C4—24no—
35C23×C4—22no—
36C23×C4—21no—
37C23×C4—21no—
38C23×C4—44no—
39C23×C4—44no—
40C23×C4C2×C411yescharacteristic
41C23×C4C2×C411yescharacteristic
42C23×C4C2×C411yescharacteristic
43C23×C4C2×C411yescharacteristic
44C23×C4C2×C411yescharacteristic
45C23×C4C2×C412yes—
46C23×C4C2×C414yescomplemented
47C23×C4D412yes—
48C23×C4D412yes—
49C23×C4D414yes—
50C23×C4C2312yes—
51C4×D4—28no—
52C4×D4—28no—
53C4×D4—28no—
54C4×D4—28no—
55C2×C4⋊C4—22no—
56C2×C4⋊C4—22no—
57C2×C4⋊C4C2×C414yescomplemented
58C2×C22⋊C4—22no—
59C2×C22⋊C4—22no—
60C2×C22⋊C4—24no—
61C2×C22⋊C4—28no—
62C2×C22⋊C4—22no—
63C2×C22⋊C4—22no—
64C2×C22⋊C4C2×C412yes—
65C2×C22⋊C4C2×C414yescomplemented
66C2×C22⋊C4C2×C4116yescomplemented
67C2×C22⋊C4C2312yes—
68C2×C22⋊C4C2318yes—
69C2×C42—21no—
70C2×C42—22no—
71C2×C42—21no—
72C2×C42—28no—
73C2×C42—48no—
74C2×C42C2×C414yescomplemented
75#99C2×C4132yesdirect product factor
76#95—28no—
77C24—21no—
78C24—21no—
79C24—22no—
80C24—42no—
81C24—42no—
82C24—42no—
83C24—42no—
84C24C4214yescomplemented
85C24C22×C411yescharacteristic
86C24C22×C412yes—
87C24C22×C411yescharacteristic
88C24C22×C414yes—
89C24C2×D412yes—
90C24C2×D412yes—
91C24#4114yes—
92C24C2411yescharacteristic
93C2×D4—24no—
94C2×D4—24no—
95C2×D4—216no—
96C2×D4—216no—
97C2×D4—24no—
98C2×D4—24no—
99C2×D4C4218yescomplemented
100C2×D4C22×C418yes—
101C22×C4—21no—
102C22×C4—21no—
103C22×C4—22no—
104C22×C4—28no—
105C22×C4—24no—
106C22×C4—21no—
107C22×C4—21no—
108C22×C4—21no—
109C22×C4—21no—
110C22×C4—216no—
111C22×C4—28no—
112C22×C4—24no—
113C22×C4—24no—
114C22×C4—44no—
115C22×C4—48no—
116C22×C4—44no—
117C22×C4—42no—
118C22×C4—44no—
119C22×C4—44no—
120C22×C4—48no—
121C22×C4—48no—
122C22×C4—48no—
123C22×C4—48no—
124C22×C4—44no—
125C22×C4—42no—
126C22×C4—42no—
127C22×C4C4214yescomplemented
128C22×C4C22⋊C411yescharacteristic
129C22×C4C22⋊C412yes—
130C22×C4C22⋊C412yes—
131C22×C4C22⋊C414yes—
132C22×C4C22⋊C412yes—
133C22×C4C22⋊C414yes—
134C22×C4C22⋊C411yescharacteristic
135C22×C4C22×C412yes—
136C22×C4C22×C412yes—
137C22×C4C22×C412yes—
138C22×C4C22×C412yes—
139C22×C4C22×C412yes—
140C22×C4C2×D414yes—
141C22×C4C2×D414yes—
142C4⋊C4—28no—
143C22⋊C4—24no—
144C22⋊C4—216no—
145C22⋊C4—24no—
146C22⋊C4—28no—
147C22⋊C4—28no—
148C22⋊C4C22×C4116yescomplemented
149C42—24no—
150C42—24no—
151C42—416no—
152C23—24no—
153C23—22no—
154C23—24no—
155C23—22no—
156C23—22no—
157C23—22no—
158C23—24no—
159C23—24no—
160C23—41no—
161C23—42no—
162C23—41no—
163C23—41no—
164C23—48no—
165C23—42no—
166C23—48no—
167C23—41no—
168C23—42no—
169C23—48no—
170C23—42no—
171C23—42no—
172C23—42no—
173C23—48no—
174C23—42no—
175C23—42no—
176C23C2×C4212yes—
177C23C2×C4212yes—
178C23C2×C4214yescomplemented
179C23C2×C22⋊C412yes—
180C23C2×C22⋊C411yescharacteristic
181C23C2×C22⋊C411yescharacteristic
182C23#11712yes—
183C23#11712yes—
184C23C4×D418yes—
185C23C4×D418yes—
186C23C23×C411yescharacteristic
187C23C23×C412yes—
188C23C22×D412yes—
189C23C2×#4112yes—
190D4—216no—
191D4—216no—
192C2×C4—22no—
193C2×C4—22no—
194C2×C4—24no—
195C2×C4—24no—
196C2×C4—22no—
197C2×C4—24no—
198C2×C4—28no—
199C2×C4—24no—
200C2×C4—24no—
201C2×C4—28no—
202C2×C4—22no—
203C2×C4—22no—
204C2×C4—216no—
205C2×C4—44no—
206C2×C4—42no—
207C2×C4—42no—
208C2×C4—44no—
209C2×C4—48no—
210C2×C4—48no—
211C2×C4—48no—
212C2×C4—432no—
213C2×C4—42no—
214C2×C4—42no—
215C2×C4—42no—
216C2×C4—42no—
217C2×C4—48no—
218C2×C4—42no—
219C2×C4—42no—
220C2×C4#9914yesdirect product factor
221C2×C4C2×C4214yescomplemented
222C2×C4C2×C22⋊C412yes—
223C2×C4C2×C22⋊C414yes—
224C2×C4C2×C22⋊C412yes—
225C22—22no—
226C22—21no—
227C22—21no—
228C22—22no—
229C22—22no—
230C22—21no—
231C22—21no—
232C22—22no—
233C22—216no—
234C22—24no—
235C22—24no—
236C22—24no—
237C22—42no—
238C22—42no—
239C22—48no—
240C22—42no—
241C22—42no—
242C22—44no—
243C22—44no—
244C22—48no—
245C22—42no—
246C22—42no—
247C22—48no—
248C22C4×C22⋊C412yes—
249C22C4×C22⋊C414yes—
250C22C4×C22⋊C412yes—
251C22C2×#9912yes—
252C22#41012yes—
253C22C22×C4211yescharacteristic
254C22C22×C22⋊C411yescharacteristic
255C22C2×#11711yescharacteristic
256C22C2×C4×D414yes—
257C4—22no—
258C4—24no—
259C4—24no—
260C4—416no—
261C4—42no—
262C4—42no—
263C4C2×#9914yesdirect product factor
264C2—24no—
265C2—21no—
266C2—22no—
267C2—21no—
268C2—24no—
269C2—44no—
270C2C4×#9914yesdirect product factor
271C2C2×C4×C22⋊C411yescharacteristic
272C2C22×#9911yescharacteristic
273C2C2×#41011yescharacteristic
subgroupG/H
centerC22×C4C22⋊C4
commutatorC22C22×C42
Frattini, cosocleC24C24
socleC23C2×C22⋊C4
prime radicalC23×D4C22
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C24×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
3. C2×C4×C22⋊C4C2semidirect
4. C4×#99C2direct (N × H)
5. C2×#342C2semidirect
7. C24×C4C4semidirect
12. C2×C4×D4C4semidirect
14. C22×C4⋊C4C4semidirect
15. C22×C22⋊C4C4semidirect
19. C22×C42C4semidirect
20. C2×#99C4direct (N × H)
23. C4×C22⋊C4C22semidirect
25. #342C22semidirect
46. C23×C4C2×C4semidirect
57. C2×C4⋊C4C2×C4semidirect
65. C2×C22⋊C4C2×C4semidirect
66. C2×C22⋊C4C2×C4semidirect
74. C2×C42C2×C4semidirect
75. #99C2×C4direct (N × H)
84. C24C42semidirect
99. C2×D4C42semidirect
127. C22×C4C42semidirect
148. C22⋊C4C22×C4semidirect
178. C23C2×C42semidirect
220. C2×C4#99direct (N × H)
221. C2×C4C2×C42semidirect
263. C4C2×#99direct (N × H)
270. C2C4×#99direct (N × H)

Maximal subgroups

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

subgroupindex
C22×C4×D42
C22×#992
C2×C4×C22⋊C42
C4×#992
C2×#3422