Finite Group Databasebeta

← C2×#2455 #34652

Subgroups — C2×#2455 #34652

Order 256.

1947 conjugacy classes of subgroups.

The subgroup lattice has 266 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×#123C212yesmaximal, complemented
2C22×C4×D4C212yesmaximal, complemented
3#2455C2116yesmaximal, direct product factor
4C2×#399C211yesmaximal, characteristic, complemented
5C2×#394C212yesmaximal, complemented
6C2×#392C211yesmaximal, characteristic
7C2×#389C212yesmaximal, complemented
8C2×#388C212yesmaximal, complemented
9C2×#385C212yesmaximal, complemented
10C2×#385C211yesmaximal, characteristic, complemented
11C23×D4C2212yes—
12C23×D4C2211yescharacteristic
13C24×C4C2211yescharacteristic
14C24×C4C2212yes—
15C2×#123—216no—
16C2×#123C22116yescomplemented
17C2×C4×D4—216no—
18C2×C4×D4C22116yescomplemented
19C22×C4⋊C4C2212yes—
20C22×C4⋊C4C2212yes—
21C22×C4⋊C4C2212yes—
22C22×C4⋊C4C2212yes—
23C22×C4⋊C4C2211yescharacteristic
24C22×C22⋊C4C2212yes—
25C22×C22⋊C4C2211yescharacteristic
26C22×C22⋊C4C2212yes—
27C22×C22⋊C4C2212yes—
28C22×C22⋊C4C2212yes—
29C22×C22⋊C4C2211yescharacteristic
30C22×C22⋊C4C2212yes—
31C22×C42C2212yes—
32#399C2218yescomplemented
33#394C22116yescomplemented
34#392C2218yes—
35#389C22116yescomplemented
36#388C22116yescomplemented
37#385C2218yescomplemented
38#385C22116yescomplemented
39C2×#95C2211yescharacteristic
40C2×#95C2212yes—
41C2×#95C2211yescharacteristic
42C2×#95C2212yes—
43C25C2312yes—
44C25C2311yescharacteristic
45C22×D4—28no—
46C22×D4—28no—
47C22×D4—28no—
48C22×D4—28no—
49C22×D4—42no—
50C22×D4C2318yes—
51C22×D4C2314yes—
52C23×C4—28no—
53C23×C4—28no—
54C23×C4—28no—
55C23×C4—42no—
56C23×C4—44no—
57C23×C4C2312yes—
58C23×C4C2311yescharacteristic
59C23×C4C2312yes—
60C23×C4C2311yescharacteristic
61C23×C4C2314yes—
62C23×C4C2318yes—
63C23×C4C2312yes—
64C23×C4C2312yes—
65C23×C4C2312yes—
66#123—264no—
67C4×D4—264no—
68C2×C4⋊C4—28no—
69C2×C4⋊C4—28no—
70C2×C4⋊C4—28no—
71C2×C4⋊C4—28no—
72C2×C4⋊C4—42no—
73C2×C4⋊C4C2318yes—
74C2×C4⋊C4C2318yes—
75C2×C4⋊C4C2318yes—
76C2×C4⋊C4C2318yes—
77C2×C4⋊C4C2314yes—
78C2×C22⋊C4—28no—
79C2×C22⋊C4—24no—
80C2×C22⋊C4—28no—
81C2×C22⋊C4—28no—
82C2×C22⋊C4—28no—
83C2×C22⋊C4—42no—
84C2×C22⋊C4D4116yescomplemented
85C2×C22⋊C4C2318yes—
86C2×C22⋊C4C2318yes—
87C2×C22⋊C4C2318yes—
88C2×C22⋊C4C2318yes—
89C2×C22⋊C4C2314yes—
90C2×C22⋊C4C2314yes—
91C2×C22⋊C4C2318yes—
92C2×C42—28no—
93C2×C42C2318yes—
94#95C2318yes—
95#95C2318yes—
96#95C2314yes—
97#95C2314yes—
98C24—24no—
99C24—24no—
100C24—24no—
101C24—24no—
102C24—24no—
103C24—24no—
104C24—22no—
105C24—24no—
106C24—22no—
107C24—24no—
108C24C2×D418yes—
109C24#4114yes—
110C24C2414yes—
111C24C2412yes—
112C24C2411yescharacteristic
113C2×D4—264no—
114C2×D4—216no—
115C2×D4—216no—
116C2×D4—216no—
117C2×D4—216no—
118C2×D4—44no—
119C2×D4—416no—
120C22×C4—24no—
121C22×C4—24no—
122C22×C4—24no—
123C22×C4—24no—
124C22×C4—24no—
125C22×C4—24no—
126C22×C4—24no—
127C22×C4—24no—
128C22×C4—24no—
129C22×C4—24no—
130C22×C4—216no—
131C22×C4—24no—
132C22×C4—24no—
133C22×C4—24no—
134C22×C4—22no—
135C22×C4—22no—
136C22×C4—24no—
137C22×C4—216no—
138C22×C4—216no—
139C22×C4—44no—
140C22×C4—48no—
141C22×C4—416no—
142C22×C4—432no—
143C22×C4C2×D418yes—
144C22×C4C2×D418yes—
145C22×C4#4118yes—
146C22×C4C2412yes—
147C22×C4C2414yes—
148C22×C4C2414yes—
149C22×C4C2412yes—
150C22×C4C2414yes—
151C22×C4C2414yes—
152C22×C4C2414yes—
153C4⋊C4—216no—
154C4⋊C4—216no—
155C4⋊C4—216no—
156C4⋊C4—216no—
157C4⋊C4—44no—
158C22⋊C4—216no—
159C22⋊C4—28no—
160C22⋊C4—216no—
161C22⋊C4—216no—
162C22⋊C4—216no—
163C22⋊C4—44no—
164C22⋊C4C2×D4132yescomplemented
165C42—216no—
166C23—216no—
167C23—216no—
168C23—28no—
169C23—216no—
170C23—216no—
171C23—24no—
172C23—24no—
173C23—24no—
174C23—24no—
175C23—24no—
176C23—24no—
177C23—22no—
178C23—24no—
179C23—22no—
180C23—24no—
181C23—48no—
182C23—48no—
183C23—44no—
184C23—48no—
185C23—48no—
186C23—48no—
187C23—44no—
188C23C22×D418yes—
189C23C22×D414yes—
190C23C2×#4114yes—
191C23C2×#4112yes—
192C23C2×#4114yes—
193C23H(5,𝔽2)12yes—
194C232−1+412yes—
195C23C2511yescharacteristic
196D4—264no—
197D4—416no—
198C2×C4—216no—
199C2×C4—216no—
200C2×C4—216no—
201C2×C4—24no—
202C2×C4—24no—
203C2×C4—24no—
204C2×C4—24no—
205C2×C4—24no—
206C2×C4—24no—
207C2×C4—24no—
208C2×C4—24no—
209C2×C4—24no—
210C2×C4—24no—
211C2×C4—24no—
212C2×C4—24no—
213C2×C4—24no—
214C2×C4—22no—
215C2×C4—22no—
216C2×C4—24no—
217C2×C4—416no—
218C2×C4—432no—
219C2×C4—48no—
220C2×C4—48no—
221C2×C4—44no—
222C2×C4—44no—
223C2×C4C22×D418yes—
224C2×C4C22×D418yes—
225C2×C4C2×#4118yes—
226C22—28no—
227C22—28no—
228C22—24no—
229C22—28no—
230C22—28no—
231C22—44no—
232C22—44no—
233C22—42no—
234C22—44no—
235C22—44no—
236C22—432no—
237C22—416no—
238C22—44no—
239C22—42no—
240C22#52518yes—
241C22#53914yes—
242C22D4214yes—
243C22#54718yes—
244C22#55914yes—
245C22C23×D412yes—
246C22C22×#4111yescharacteristic
247C22C22×#4112yes—
248C22C2×H(5,𝔽2)11yescharacteristic
249C22C2×2−1+411yescharacteristic
250C4—28no—
251C4—28no—
252C4—28no—
253C4—44no—
254C4—44no—
255C4—42no—
256C4—42no—
257C2—48no—
258C2—44no—
259C2#245518yesdirect product factor
260C2C2×#52512yes—
261C2C2×#53911yescharacteristic
262C2C2×D4211yescharacteristic
263C2C2×#54712yes—
264C2C2×#55911yescharacteristic
subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC2×#392C2
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×#123C2semidirect
2. C22×C4×D4C2semidirect
3. #2455C2direct (N × H)
4. C2×#399C2semidirect
5. C2×#394C2semidirect
7. C2×#389C2semidirect
8. C2×#388C2semidirect
9. C2×#385C2semidirect
10. C2×#385C2semidirect
16. C2×#123C22semidirect
18. C2×C4×D4C22semidirect
32. #399C22semidirect
33. #394C22semidirect
35. #389C22semidirect
36. #388C22semidirect
37. #385C22semidirect
38. #385C22semidirect
84. C2×C22⋊C4D4semidirect
164. C22⋊C4C2×D4semidirect
259. C2#2455direct (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×C4×D42
#24552
C2×#3992
C2×#3942
C2×#3922
C2×#3892
C2×#3882
C2×#3852