Finite Group Databasebeta

← C2×#3381 #61354

Subgroups — C2×#3381 #61354

Order 256.

921 conjugacy classes of subgroups.

The subgroup lattice has 253 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#557C211yesmaximal, characteristic, complemented
2C2×#554C211yesmaximal, characteristic
3#3381C2116yesmaximal, direct product factor
4C2×#499C212yesmaximal, complemented
5C2×#498C211yesmaximal, characteristic, complemented
6C2×#479C212yesmaximal, complemented
7C2×#477C211yesmaximal, characteristic, complemented
8C2×#478C212yesmaximal
9C2×#474C211yesmaximal, characteristic
10C2×C8×Q8C211yesmaximal, characteristic, complemented
11C2×C4×SD16C212yesmaximal
12C2×C4×SD16C211yesmaximal, characteristic
13C22×SD16C2211yescharacteristic
14#557—24no—
15#557C2218yescomplemented
16#554—24no—
17#554C2218yes—
18C2×C4⋊Q8—21no—
19C2×C4⋊Q8C2211yescharacteristic
20C2×C4⋊Q8C2211yescharacteristic
21C2×#125—22no—
22C2×#125C2212yes—
23C2×#125C2212yes—
24C2×C22⋊Q8—21no—
25C2×C22⋊Q8—22no—
26C2×C4×Q8—21no—
27C2×C4×Q8C2211yescharacteristic
28C2×C4×Q8C2212yes—
29C2×C4×Q8C2211yescharacteristic
30C2×C4×D4C2212yes—
31C2×C4×D4C2211yescharacteristic
32C22×C4⋊C4—21no—
33#499C22116yescomplemented
34#498C2218yescomplemented
35#479C22116yescomplemented
36#478C22116yes—
37#477C2218yescomplemented
38#474C2218yes—
39C8×Q8C2218yescomplemented
40C4×SD16C2218yes—
41C4×SD16C22116yes—
42C2×#107C2212yes—
43C2×#107C2212yes—
44C2×#106C2212yes—
45C2×#106C2212yes—
46C2×#106C2211yescharacteristic
47C2×C4⋊C8C2212yes—
48C2×C4⋊C8C2211yescharacteristic
49C2×#103C2212yes—
50C2×#103C2211yescharacteristic
51C2×#102C2211yescharacteristic
52C2×#102C2212yes—
53C2×C4×C8C2211yescharacteristic
54C2×C4×C8C2212yes—
55C22×Q8—21no—
56C22×Q8—21no—
57C22×Q8D411yescharacteristic
58C22×Q8C2311yescharacteristic
59C22×D4C2311yescharacteristic
60C23×C4—21no—
61C23×C4—22no—
62C2×SD16Q818yescomplemented
63C2×SD16C2314yes—
64C22×C8C2311yescharacteristic
65C22×C8C2312yes—
66C22×C8C2311yescharacteristic
67C4⋊Q8—28no—
68C4⋊Q8—22no—
69C4⋊Q8—22no—
70C4⋊Q8C2314yes—
71C4⋊Q8C2314yes—
72#125—216no—
73#125—24no—
74#125—24no—
75#125C2318yes—
76#125C2318yes—
77C22⋊Q8—28no—
78C22⋊Q8—216no—
79C4×Q8—28no—
80C4×Q8—24no—
81C4×Q8—22no—
82C4×Q8D414yes—
83C4×Q8C2314yes—
84C4×Q8C2318yes—
85C4×Q8C2314yes—
86C4×D4—24no—
87C4×D4—22no—
88C4×D4C2314yes—
89C4×D4C2318yes—
90C2×C4⋊C4—22no—
91C2×C4⋊C4—21no—
92C2×C4⋊C4—22no—
93C2×C4⋊C4—21no—
94C2×C4⋊C4—22no—
95C2×C4⋊C4—22no—
96C2×C4⋊C4—21no—
97C2×C4⋊C4—22no—
98C2×C4⋊C4—28no—
99C2×C4⋊C4D411yescharacteristic
100C2×C4⋊C4D412yes—
101C2×C4⋊C4C2311yescharacteristic
102C2×C4⋊C4C2312yes—
103C2×C4⋊C4C2311yescharacteristic
104C2×C4⋊C4C2312yes—
105C2×C22⋊C4—21no—
106C2×C22⋊C4—22no—
107C2×C42—22no—
108C2×C42—21no—
109C2×C42C2312yes—
110C2×C42C2311yescharacteristic
111#107C2318yes—
112#107C2318yes—
113#106C2318yes—
114#106C2314yes—
115#106C2318yes—
116C4⋊C8C2314yes—
117C4⋊C8C2318yes—
118#103C2318yes—
119#103C2314yes—
120#102C2318yes—
121#102C2314yes—
122C4×C8C2314yes—
123C4×C8C2318yes—
124C24—21no—
125C2×Q8—24no—
126C2×Q8—21no—
127C2×Q8—24no—
128C2×Q8—24no—
129C2×Q8—22no—
130C2×Q8—44no—
131C2×Q8—82no—
132C2×Q8C2×D414yes—
133C2×Q8C2×Q814yes—
134C2×Q8C2412yes—
135C2×D4—21no—
136C2×D4—22no—
137C2×D4C2×Q814yes—
138C2×D4C2412yes—
139C22×C4—21no—
140C22×C4—21no—
141C22×C4—22no—
142C22×C4—21no—
143C22×C4—22no—
144C22×C4—24no—
145C22×C4—28no—
146C22×C4—44no—
147C22×C4—84no—
148C22×C4C2×D412yes—
149C22×C4C2×D412yes—
150C22×C4C2×D411yescharacteristic
151C22×C4C2×D411yescharacteristic
152C22×C4C2411yescharacteristic
153SD16C2×Q8116yescomplemented
154C2×C8—22no—
155C2×C8—24no—
156C2×C8C2×Q814yes—
157C2×C8C2412yes—
158C2×C8C2414yes—
159C2×C8C2412yes—
160C4⋊C4—28no—
161C4⋊C4—24no—
162C4⋊C4—28no—
163C4⋊C4—24no—
164C4⋊C4—28no—
165C4⋊C4—28no—
166C4⋊C4—24no—
167C4⋊C4—28no—
168C4⋊C4—21no—
169C4⋊C4—22no—
170C4⋊C4—21no—
171C4⋊C4—22no—
172C4⋊C4C2×D414yes—
173C4⋊C4C2×D418yes—
174C4⋊C4C2414yes—
175C4⋊C4C2412yes—
176C4⋊C4C2414yes—
177C4⋊C4C2412yes—
178C22⋊C4—24no—
179C22⋊C4—28no—
180C42—28no—
181C42—24no—
182C42C2×D414yes—
183C42C2×D412yes—
184C42C2414yes—
185C42C2412yes—
186C23—24no—
187C23—22no—
188C23—42no—
189C23—42no—
190C23C22×D411yescharacteristic
191Q8—24no—
192Q8—28no—
193Q8—22no—
194Q8—48no—
195Q8—84no—
196Q8C22×Q814yes—
197D4—24no—
198D4—22no—
199D4C22×Q814yes—
200C2×C4—24no—
201C2×C4—24no—
202C2×C4—24no—
203C2×C4—22no—
204C2×C4—22no—
205C2×C4—22no—
206C2×C4—24no—
207C2×C4—22no—
208C2×C4—24no—
209C2×C4—42no—
210C2×C4—44no—
211C2×C4—42no—
212C2×C4—44no—
213C2×C4—48no—
214C2×C4—88no—
215C2×C4#13514yes—
216C2×C4C22×D414yes—
217C2×C4C22×D414yes—
218C2×C4C22×D412yes—
219C2×C4C22×D411yescharacteristic
220C2×C4C22×D412yes—
221C2×C4C22×Q812yes—
222C2×C42−1+412yes—
223C2×C4C2511yescharacteristic
224C8—22no—
225C8—24no—
226C8C22×Q814yes—
227C22—24no—
228C22—48no—
229C22—42no—
230C22—42no—
231C22D4×Q812yes—
232C22C2×#13512yes—
233C22#57712yes—
234C22C23×D411yescharacteristic
235C4—24no—
236C4—24no—
237C4—24no—
238C4—22no—
239C4—42no—
240C4—44no—
241C4—42no—
242C4—44no—
243C4D4×Q812yes—
244C4C2×#13514yes—
245C4C23×Q811yescharacteristic
246C4C2×2−1+411yescharacteristic
247C2—44no—
248C2#338114yesdirect product factor
249C2C2×D4×Q811yescharacteristic
250C2C22×#13511yescharacteristic
251C2C2×#57711yescharacteristic
subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×D4C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
1. C2×#557C2semidirect
3. #3381C2direct (N × H)
4. C2×#499C2semidirect
5. C2×#498C2semidirect
6. C2×#479C2semidirect
7. C2×#477C2semidirect
10. C2×C8×Q8C2semidirect
15. #557C22semidirect
33. #499C22semidirect
34. #498C22semidirect
35. #479C22semidirect
37. #477C22semidirect
39. C8×Q8C22semidirect
62. C2×SD16Q8semidirect
153. SD16C2×Q8semidirect
248. C2#3381direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5572
C2×#5542
#33812
C2×#4992
C2×#4982
C2×#4792
C2×#4772
C2×#4782
C2×#4742
C2×C8×Q82
C2×C4×SD162