Finite Group Databasebeta

← C2×#1899 #20982

Subgroups — C2×#1899 #20982

Order 256.

1033 conjugacy classes of subgroups; only the 247 normal subgroups are shown.

normal subgroups only

This group has 1033 conjugacy classes of subgroups — too many to draw. Only its 247 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
1C22×#123C211yesmaximal, characteristic
2C22×#117C211yesmaximal, characteristic, complemented
3C22×#99C212yesmaximal
4C2×#381C211yesmaximal, characteristic, complemented
5#1899C218yesmaximal, direct product factor
6C2×#342C212yesmaximal, complemented
7C23×D4C2211yescharacteristic
8C24×C4C2211yescharacteristic
9C2×#123—21no—
10C2×#123—22no—
11C2×#123—22no—
12C2×#123—22no—
13C2×#123—21no—
14C2×#123C414yescomplemented
15C2×#123C2214yes—
16C2×#117—22no—
17C2×#117—28no—
18C2×#117C2214yescomplemented
19C22×C4⋊C4—21no—
20C22×C4⋊C4C412yescomplemented
21C22×C22⋊C4C412yescomplemented
22C22×C22⋊C4C2212yes—
23C22×C22⋊C4C2211yescharacteristic
24C22×C22⋊C4C2212yes—
25C22×C42—21no—
26C2×#99—28no—
27C2×#99C2218yes—
28#381—22no—
29#381C2214yescomplemented
30C2×#95—22no—
31#342C2218yescomplemented
32C25C2×C411yescharacteristic
33C25C2311yescharacteristic
34C22×D4—21no—
35C22×D4—21no—
36C22×D4—21no—
37C22×D4—21no—
38C22×D4—24no—
39C22×D4—24no—
40C22×D4C2×C412yes—
41C22×D4C2312yes—
42C23×C4—24no—
43C23×C4—24no—
44C23×C4—22no—
45C23×C4—22no—
46C23×C4C2×C411yescharacteristic
47C23×C4C2×C412yes—
48C23×C4C2×C412yes—
49C23×C4C2×C412yes—
50C23×C4D411yescharacteristic
51C23×C4D412yes—
52C23×C4D412yes—
53C23×C4D412yes—
54C23×C4D411yescharacteristic
55C23×C4C2312yes—
56#123—24no—
57#123—28no—
58#123—24no—
59#123—28no—
60#123—24no—
61#123—24no—
62#117—216no—
63#117—216no—
64C2×C4⋊C4—28no—
65C2×C4⋊C4—24no—
66C2×C4⋊C4—22no—
67C2×C4⋊C4—22no—
68C2×C4⋊C4—24no—
69C2×C4⋊C4C2×C418yescomplemented
70C2×C22⋊C4—22no—
71C2×C22⋊C4—24no—
72C2×C22⋊C4—21no—
73C2×C22⋊C4—21no—
74C2×C22⋊C4—21no—
75C2×C22⋊C4—21no—
76C2×C22⋊C4—24no—
77C2×C22⋊C4—22no—
78C2×C22⋊C4—22no—
79C2×C22⋊C4—24no—
80C2×C22⋊C4—24no—
81C2×C22⋊C4—22no—
82C2×C22⋊C4C2×C412yes—
83C2×C22⋊C4C2×C418yescomplemented
84C2×C22⋊C4D418yes—
85C2×C22⋊C4C2314yes—
86C2×C22⋊C4C2312yes—
87C2×C22⋊C4C2314yes—
88C2×C42—28no—
89C2×C42—24no—
90#99—216no—
91#95—28no—
92C24—21no—
93C24—21no—
94C24—24no—
95C24—44no—
96C24—44no—
97C24C22×C411yescharacteristic
98C24C22×C412yes—
99C24C22×C411yescharacteristic
100C24C2×D411yescharacteristic
101C24C2×D411yescharacteristic
102C24C2×D411yescharacteristic
103C24C2×D411yescharacteristic
104C24C2×D414yes—
105C24#4114yes—
106C24C2411yescharacteristic
107C2×D4—22no—
108C2×D4—22no—
109C2×D4—28no—
110C2×D4—24no—
111C2×D4—22no—
112C2×D4—22no—
113C2×D4—24no—
114C2×D4—42no—
115C2×D4—42no—
116C2×D4—44no—
117C2×D4—44no—
118C2×D4—42no—
119C2×D4—42no—
120C22×C4—28no—
121C22×C4—28no—
122C22×C4—22no—
123C22×C4—22no—
124C22×C4—24no—
125C22×C4—28no—
126C22×C4—28no—
127C22×C4—22no—
128C22×C4—22no—
129C22×C4—24no—
130C22×C4—24no—
131C22×C4—24no—
132C22×C4—22no—
133C22×C4—21no—
134C22×C4—22no—
135C22×C4—21no—
136C22×C4—24no—
137C22×C4—28no—
138C22×C4—24no—
139C22×C4—24no—
140C22×C4—48no—
141C22×C4—44no—
142C22×C4—48no—
143C22×C4—44no—
144C22×C4C22⋊C414yes—
145C22×C4C22⋊C412yes—
146C22×C4C22⋊C414yes—
147C22×C4C22⋊C412yes—
148C22×C4C22⋊C412yes—
149C22×C4C22⋊C412yes—
150C22×C4C22×C412yes—
151C22×C4C22×C414yes—
152C22×C4C22×C414yes—
153C22×C4C2×D414yes—
154C22×C4C2×D412yes—
155C22×C4C2×D412yes—
156C4⋊C4—216no—
157C4⋊C4—28no—
158C4⋊C4—28no—
159C22⋊C4—22no—
160C22⋊C4—22no—
161C22⋊C4—28no—
162C22⋊C4—24no—
163C22⋊C4—22no—
164C22⋊C4—22no—
165C22⋊C4—28no—
166C22⋊C4—28no—
167C22⋊C4—24no—
168C22⋊C4—24no—
169C22⋊C4—44no—
170C22⋊C4C2×D418yes—
171C42—216no—
172C23—24no—
173C23—24no—
174C23—24no—
175C23—22no—
176C23—24no—
177C23—42no—
178C23—42no—
179C23—42no—
180C23—48no—
181C23—48no—
182C23—42no—
183C23—44no—
184C23—44no—
185C23—42no—
186C23—42no—
187C23—44no—
188C23—88no—
189C23C2×C22⋊C411yescharacteristic
190C23C2×C22⋊C411yescharacteristic
191C23C2×C22⋊C411yescharacteristic
192C23C2×C22⋊C411yescharacteristic
193C23C4×D414yes—
194C23C4×D414yes—
195C23#12012yes—
196C23#12012yes—
197C23#12114yes—
198C23#12114yes—
199C23#12312yes—
200C23#12312yes—
201C23C23×C411yescharacteristic
202C23C22×D411yescharacteristic
203C23C22×D411yescharacteristic
204C23C22×D412yes—
205C23C2×#4112yes—
206D4—42no—
207D4—44no—
208D4—42no—
209D4—44no—
210D4—44no—
211C2×C4—28no—
212C2×C4—22no—
213C2×C4—22no—
214C2×C4—28no—
215C2×C4—22no—
216C2×C4—22no—
217C2×C4—28no—
218C2×C4—24no—
219C2×C4—24no—
220C2×C4—28no—
221C2×C4—24no—
222C2×C4—24no—
223C2×C4—24no—
224C2×C4—22no—
225C2×C4—24no—
226C2×C4—28no—
227C2×C4—48no—
228C2×C4—416no—
229C2×C4—44no—
230C2×C4—42no—
231C2×C4—42no—
232C2×C4—44no—
233C2×C4—44no—
234C2×C4—48no—
235C2×C4—44no—
236C2×C4—88no—
237C2×C4C2×C22⋊C414yes—
238C2×C4C2×C22⋊C414yes—
239C22—22no—
240C22—22no—
241C22—22no—
242C22—22no—
243C22—22no—
244C22—22no—
245C22—24no—
246C22—28no—
247C22—28no—
248C22—24no—
249C22—44no—
250C22—42no—
251C22—44no—
252C22—42no—
253C22—42no—
254C22—42no—
255C22—44no—
256C22—42no—
257C22—84no—
258C22—84no—
259C22—84no—
260C22#38612yes—
261C22#38612yes—
262C22#38612yes—
263C22#38612yes—
264C22#41014yes—
265C22C22×C22⋊C411yescharacteristic
266C22C2×C4×D412yes—
267C22C2×#12011yescharacteristic
268C22C2×#12112yes—
269C22C2×#12311yescharacteristic
270C4—24no—
271C4—24no—
272C4—48no—
273C4—44no—
274C4—42no—
275C4—84no—
276C2—21no—
277C2—22no—
278C2—22no—
279C2—22no—
280C2—21no—
281C2—22no—
282C2—22no—
283C2—82no—
284C2#189914yesdirect product factor
285C2C2×#38611yescharacteristic
286C2C2×#41012yes—
subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC24C24
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C22×#117C2semidirect
4. C2×#381C2semidirect
5. #1899C2direct (N × H)
6. C2×#342C2semidirect
14. C2×#123C4semidirect
18. C2×#117C22semidirect
20. C22×C4⋊C4C4semidirect
21. C22×C22⋊C4C4semidirect
29. #381C22semidirect
31. #342C22semidirect
69. C2×C4⋊C4C2×C4semidirect
83. C2×C22⋊C4C2×C4semidirect
284. C2#1899direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1232
C22×#1172
C22×#992
C2×#3812
#18992
C2×#3422