Finite Group Databasebeta

← C2×#2440 #34674

Subgroups — C2×#2440 #34674

Order 256.

1775 conjugacy classes of subgroups.

The subgroup lattice has 294 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×C4⋊Q8C211yesmaximal, characteristic, complemented
2C22×C22⋊Q8C212yesmaximal
3C23×C4⋊C4C211yesmaximal, characteristic
4#2440C2116yesmaximal, direct product factor
5C2×#398C212yesmaximal, complemented
6C2×#395C212yesmaximal, complemented
7C2×#389C211yesmaximal, characteristic, complemented
8C2×#389C211yesmaximal, characteristic, complemented
9C2×#385C212yesmaximal
10C2×#384C211yesmaximal, characteristic, complemented
11C2×#380C211yesmaximal, characteristic
12C2×C4×C22⋊C4C211yesmaximal, characteristic
13C23×Q8C2212yes—
14C24×C4C2212yes—
15C24×C4C2211yescharacteristic
16C2×C4⋊Q8—28no—
17C2×C4⋊Q8C2218yescomplemented
18C2×C22⋊Q8—216no—
19C2×C22⋊Q8C22116yes—
20C22×C4⋊C4—28no—
21C22×C4⋊C4C2212yes—
22C22×C4⋊C4C2212yes—
23C22×C4⋊C4C2212yes—
24C22×C4⋊C4C2212yes—
25C22×C4⋊C4C2212yes—
26C22×C4⋊C4C2218yes—
27C22×C4⋊C4C2211yescharacteristic
28C22×C4⋊C4C2211yescharacteristic
29C22×C4⋊C4C2211yescharacteristic
30C22×C4⋊C4C2212yes—
31C22×C4⋊C4C2211yescharacteristic
32C22×C22⋊C4C2212yes—
33C22×C22⋊C4C2211yescharacteristic
34C22×C22⋊C4C2211yescharacteristic
35C22×C42C2211yescharacteristic
36C22×C42C2211yescharacteristic
37#398C22116yescomplemented
38#395C22116yescomplemented
39#389C2218yescomplemented
40#389C2218yescomplemented
41#385C22116yes—
42#384C2218yescomplemented
43#380C2218yes—
44C4×C22⋊C4C2218yes—
45C2×#95C2211yescharacteristic
46C2×#95C2212yes—
47C2×#95C2212yes—
48C2×#95C2211yescharacteristic
49C2×#95C2212yes—
50C25C2311yescharacteristic
51C22×Q8—28no—
52C22×Q8—28no—
53C22×Q8—44no—
54C22×Q8C2318yes—
55C23×C4—24no—
56C23×C4—24no—
57C23×C4—28no—
58C23×C4—28no—
59C23×C4—44no—
60C23×C4Q818yescomplemented
61C23×C4C2312yes—
62C23×C4C2312yes—
63C23×C4C2312yes—
64C23×C4C2318yes—
65C23×C4C2311yescharacteristic
66C23×C4C2311yescharacteristic
67C23×C4C2312yes—
68C23×C4C2311yescharacteristic
69C23×C4C2311yescharacteristic
70C23×C4C2311yescharacteristic
71C23×C4C2314yes—
72C23×C4C2311yescharacteristic
73C4⋊Q8—232no—
74C22⋊Q8—264no—
75C2×C4⋊C4—28no—
76C2×C4⋊C4—24no—
77C2×C4⋊C4—28no—
78C2×C4⋊C4—28no—
79C2×C4⋊C4—28no—
80C2×C4⋊C4—28no—
81C2×C4⋊C4—24no—
82C2×C4⋊C4—24no—
83C2×C4⋊C4—232no—
84C2×C4⋊C4—44no—
85C2×C4⋊C4D418yes—
86C2×C4⋊C4C2314yes—
87C2×C4⋊C4C2318yes—
88C2×C4⋊C4C2318yes—
89C2×C4⋊C4C2318yes—
90C2×C4⋊C4C2318yes—
91C2×C4⋊C4C2314yes—
92C2×C4⋊C4C2318yes—
93C2×C4⋊C4C2314yes—
94C2×C4⋊C4C2318yes—
95C2×C4⋊C4C2314yes—
96C2×C22⋊C4—28no—
97C2×C22⋊C4D418yes—
98C2×C22⋊C4Q818yescomplemented
99C2×C22⋊C4C2318yes—
100C2×C22⋊C4C2314yes—
101C2×C22⋊C4C2314yes—
102C2×C42—24no—
103C2×C42—24no—
104C2×C42C2314yes—
105C2×C42C2314yes—
106#95C2314yes—
107#95C2314yes—
108#95C2318yes—
109#95C2318yes—
110#95C2318yes—
111C24—22no—
112C24—22no—
113C24—22no—
114C24—22no—
115C24C2×D414yes—
116C24C2×Q814yes—
117C24C2×Q814yes—
118C24C2412yes—
119C24C2411yescharacteristic
120C2×Q8—216no—
121C2×Q8—216no—
122C2×Q8—48no—
123C2×Q8—432no—
124C22×C4—22no—
125C22×C4—22no—
126C22×C4—22no—
127C22×C4—24no—
128C22×C4—22no—
129C22×C4—22no—
130C22×C4—22no—
131C22×C4—22no—
132C22×C4—24no—
133C22×C4—22no—
134C22×C4—22no—
135C22×C4—22no—
136C22×C4—232no—
137C22×C4—28no—
138C22×C4—28no—
139C22×C4—24no—
140C22×C4—24no—
141C22×C4—24no—
142C22×C4—24no—
143C22×C4—24no—
144C22×C4—216no—
145C22×C4—24no—
146C22×C4—24no—
147C22×C4—24no—
148C22×C4—24no—
149C22×C4—216no—
150C22×C4—48no—
151C22×C4—432no—
152C22×C4C2×D414yes—
153C22×C4C2×D414yes—
154C22×C4C2×D418yes—
155C22×C4C2×D414yes—
156C22×C4C2×Q814yes—
157C22×C4C2×Q814yes—
158C22×C4C2×Q814yes—
159C22×C4C2×Q814yes—
160C22×C4C2×Q8116yescomplemented
161C22×C4#4114yes—
162C22×C4C2414yes—
163C22×C4C2414yes—
164C22×C4C2414yes—
165C22×C4C2412yes—
166C22×C4C2412yes—
167C22×C4C2414yes—
168C22×C4C2412yes—
169C22×C4C2412yes—
170C22×C4C2412yes—
171C22×C4C2412yes—
172C4⋊C4—216no—
173C4⋊C4—28no—
174C4⋊C4—216no—
175C4⋊C4—216no—
176C4⋊C4—216no—
177C4⋊C4—216no—
178C4⋊C4—28no—
179C4⋊C4—28no—
180C4⋊C4—48no—
181C4⋊C4C2×D4116yes—
182C22⋊C4—216no—
183C22⋊C4C2×D4116yes—
184C22⋊C4C2×Q8116yescomplemented
185C42—28no—
186C42—28no—
187C23—28no—
188C23—28no—
189C23—28no—
190C23—28no—
191C23—28no—
192C23—28no—
193C23—22no—
194C23—22no—
195C23—22no—
196C23—22no—
197C23C4⋊Q8116yescomplemented
198C23C22×D414yes—
199C23C22×D412yes—
200C23C22×D412yes—
201C23C22×Q814yes—
202C23C22×Q814yes—
203C23C22×Q812yes—
204C23C22×Q812yes—
205C23C2×#4112yes—
206C23H(5,𝔽2)12yes—
207C232−1+412yes—
208C23C2511yescharacteristic
209Q8—432no—
210C2×C4—28no—
211C2×C4—216no—
212C2×C4—28no—
213C2×C4—28no—
214C2×C4—28no—
215C2×C4—28no—
216C2×C4—22no—
217C2×C4—22no—
218C2×C4—22no—
219C2×C4—24no—
220C2×C4—22no—
221C2×C4—22no—
222C2×C4—22no—
223C2×C4—22no—
224C2×C4—24no—
225C2×C4—22no—
226C2×C4—22no—
227C2×C4—22no—
228C2×C4—232no—
229C2×C4—24no—
230C2×C4—24no—
231C2×C4—24no—
232C2×C4—24no—
233C2×C4—24no—
234C2×C4—24no—
235C2×C4—24no—
236C2×C4—24no—
237C2×C4—24no—
238C2×C4—432no—
239C2×C4—48no—
240C2×C4—48no—
241C2×C4—48no—
242C2×C4C22⋊Q8116yescomplemented
243C2×C4C22×D414yes—
244C2×C4C22×D414yes—
245C2×C4C22×D418yes—
246C2×C4C22×D414yes—
247C2×C4C22×Q814yes—
248C2×C4C22×Q814yes—
249C2×C4C22×Q814yes—
250C2×C4C22×Q814yes—
251C2×C4C2×#4114yes—
252C22—24no—
253C22—24no—
254C22—24no—
255C22—232no—
256C22—24no—
257C22—24no—
258C22—24no—
259C22C2×C22⋊Q814yes—
260C22C2×C4⋊Q814yes—
261C22C2×C4⋊Q818yescomplemented
262C22#54414yes—
263C22D4214yes—
264C22#54714yes—
265C22D4×Q814yes—
266C22#55414yes—
267C22C23×D411yescharacteristic
268C22C23×D411yescharacteristic
269C22C23×Q811yescharacteristic
270C22C23×Q811yescharacteristic
271C22C22×#4111yescharacteristic
272C22C2×H(5,𝔽2)11yescharacteristic
273C22C2×2−1+411yescharacteristic
274C4—24no—
275C4—28no—
276C4—24no—
277C4—24no—
278C4—24no—
279C4—24no—
280C4—44no—
281C4—44no—
282C4—44no—
283C4C2×C22⋊Q818yescomplemented
284C2—28no—
285C2#244018yesdirect product factor
286C2C22×C22⋊Q811yescharacteristic
287C2C22×C4⋊Q811yescharacteristic
288C2C2×#54411yescharacteristic
289C2C2×D4211yescharacteristic
290C2C2×#54711yescharacteristic
291C2C2×D4×Q811yescharacteristic
292C2C2×#55411yescharacteristic
subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

Complements

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

NH ≅ G/Ntype
1. C22×C4⋊Q8C2semidirect
4. #2440C2direct (N × H)
5. C2×#398C2semidirect
6. C2×#395C2semidirect
7. C2×#389C2semidirect
8. C2×#389C2semidirect
10. C2×#384C2semidirect
17. C2×C4⋊Q8C22semidirect
37. #398C22semidirect
38. #395C22semidirect
39. #389C22semidirect
40. #389C22semidirect
42. #384C22semidirect
60. C23×C4Q8semidirect
98. C2×C22⋊C4Q8semidirect
160. C22×C4C2×Q8semidirect
184. C22⋊C4C2×Q8semidirect
197. C23C4⋊Q8semidirect
242. C2×C4C22⋊Q8semidirect
261. C22C2×C4⋊Q8semidirect
283. C4C2×C22⋊Q8semidirect
285. C2#2440direct (N × H)

Maximal subgroups

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

subgroupindex
C22×C4⋊Q82
C22×C22⋊Q82
C23×C4⋊C42
#24402
C2×#3982
C2×#3952
C2×#3892
C2×#3852
C2×#3842
C2×#3802
C2×C4×C22⋊C42