Finite Group Databasebeta

← C2×#1864 #20869

Subgroups — C2×#1864 #20869

Order 256.

987 conjugacy classes of subgroups.

The subgroup lattice has 269 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×C4×D4C211yesmaximal, characteristic
2C22×#106C211yesmaximal, characteristic, complemented
3C22×#102C211yesmaximal, characteristic
4C22×#102C211yesmaximal, characteristic
5C2×#389C211yesmaximal, characteristic, complemented
6#1864C218yesmaximal, direct product factor
7C2×#340C211yesmaximal, characteristic, complemented
8C2×#336C211yesmaximal, characteristic, complemented
9C23×D4C2211yescharacteristic
10C24×C4—21no—
11C23×C8C2211yescharacteristic
12C23×C8C2211yescharacteristic
13C2×C4×D4—24no—
14C2×C4×D4—24no—
15C2×C4×D4—22no—
16C2×C4×D4C2214yes—
17C22×C4⋊C4—21no—
18C22×C4⋊C4C2211yescharacteristic
19C22×C4⋊C4C2211yescharacteristic
20C22×C4⋊C4C2211yescharacteristic
21C22×C22⋊C4—21no—
22C22×C42C2211yescharacteristic
23C2×#106—24no—
24C2×#106C2214yescomplemented
25C2×#102—24no—
26C2×#102C418yescomplemented
27C2×#102C2214yes—
28C2×#102C2214yes—
29#389—22no—
30#389C2214yescomplemented
31C2×#95—21no—
32#340C2214yescomplemented
33#336C2214yescomplemented
34C25—21no—
35C22×D4—21no—
36C22×D4—22no—
37C22×D4—22no—
38C22×D4—22no—
39C22×D4C2×C414yes—
40C22×D4D414yes—
41C22×D4Q814yes—
42C22×D4C2312yes—
43C23×C4—28no—
44C23×C4—21no—
45C23×C4—21no—
46C23×C4—24no—
47C23×C4—21no—
48C23×C4—44no—
49C23×C4—44no—
50C23×C4D411yescharacteristic
51C23×C4D411yescharacteristic
52C23×C4C2311yescharacteristic
53C22×C8—22no—
54C22×C8—22no—
55C22×C8—22no—
56C22×C8—22no—
57C22×C8—22no—
58C22×C8C2×C414yescomplemented
59C22×C8C2312yes—
60C22×C8C2312yes—
61C4×D4—216no—
62C4×D4—28no—
63C4×D4—28no—
64C2×C4⋊C4—21no—
65C2×C4⋊C4—22no—
66C2×C4⋊C4—21no—
67C2×C4⋊C4—22no—
68C2×C4⋊C4—22no—
69C2×C4⋊C4—22no—
70C2×C4⋊C4—24no—
71C2×C4⋊C4—21no—
72C2×C4⋊C4—44no—
73C2×C4⋊C4C2×C414yescomplemented
74C2×C4⋊C4D414yes—
75C2×C4⋊C4C2312yes—
76C2×C4⋊C4C2312yes—
77C2×C4⋊C4C2312yes—
78C2×C22⋊C4—28no—
79C2×C22⋊C4—24no—
80C2×C42—22no—
81C2×C42—22no—
82C2×C42D412yes—
83C2×C42C2312yes—
84#106—28no—
85#102—28no—
86#102C2×C4116yescomplemented
87#95—24no—
88C24—24no—
89C24—24no—
90C24—24no—
91C24—22no—
92C24—42no—
93C24—42no—
94C24—42no—
95C24—42no—
96C24C2×D411yescharacteristic
97C2×D4—28no—
98C2×D4—24no—
99C2×D4—24no—
100C2×D4—28no—
101C2×D4—24no—
102C2×D4—28no—
103C2×D4—22no—
104C2×D4—22no—
105C2×D4—22no—
106C2×D4C4⋊C4116yescomplemented
107C2×D4C22×C414yes—
108C2×D4C2×D414yes—
109C2×D4C2×Q814yes—
110C22×C4—22no—
111C22×C4—22no—
112C22×C4—216no—
113C22×C4—24no—
114C22×C4—22no—
115C22×C4—24no—
116C22×C4—22no—
117C22×C4—22no—
118C22×C4—22no—
119C22×C4—22no—
120C22×C4—22no—
121C22×C4—48no—
122C22×C4—432no—
123C22×C4—42no—
124C22×C4—42no—
125C22×C4—42no—
126C22×C4—42no—
127C22×C4—48no—
128C22×C4—42no—
129C22×C4—42no—
130C22×C4—42no—
131C22×C4SD1614yes—
132C22×C4C22×C412yes—
133C22×C4C2×D412yes—
134C22×C4C2×D412yes—
135C22×C4C2×D412yes—
136C22×C4C2×D411yescharacteristic
137C22×C4C2×D412yes—
138C22×C4C2×Q812yes—
139C22×C4#4112yes—
140C22×C4#4112yes—
141C22×C4C2411yescharacteristic
142C2×C8—28no—
143C2×C8—22no—
144C2×C8—22no—
145C2×C8—22no—
146C2×C8—22no—
147C2×C8—22no—
148C2×C8—44no—
149C2×C8C22×C414yescomplemented
150C4⋊C4—24no—
151C4⋊C4—24no—
152C4⋊C4—22no—
153C4⋊C4—22no—
154C4⋊C4—22no—
155C4⋊C4—22no—
156C4⋊C4—48no—
157C4⋊C4—42no—
158C4⋊C4C22×C414yescomplemented
159C4⋊C4C2×D414yes—
160C22⋊C4—216no—
161C42—24no—
162C42—22no—
163C42—22no—
164C23—24no—
165C23—24no—
166C23—24no—
167C23—216no—
168C23—42no—
169C23—42no—
170C23—42no—
171C23—42no—
172C23—48no—
173C23—48no—
174C23—48no—
175C23—48no—
176C23—48no—
177C23—48no—
178C23C4×D412yes—
179C23#12012yes—
180C23C22⋊Q812yes—
181C23C2×SD1612yes—
182C23#13512yes—
183C23AGL(1,ℤ/8)12yes—
184C23AGL(1,ℤ/8)12yes—
185C23C22×D411yescharacteristic
186D4—24no—
187D4—24no—
188D4—24no—
189D4—216no—
190D4C2×C4⋊C418yescomplemented
191C2×C4—22no—
192C2×C4—22no—
193C2×C4—28no—
194C2×C4—24no—
195C2×C4—22no—
196C2×C4—24no—
197C2×C4—22no—
198C2×C4—22no—
199C2×C4—432no—
200C2×C4—42no—
201C2×C4—42no—
202C2×C4—42no—
203C2×C4—42no—
204C2×C4—48no—
205C2×C4—44no—
206C2×C4—48no—
207C2×C4—42no—
208C2×C4—42no—
209C2×C4—42no—
210C2×C4—84no—
211C2×C4C2×C4⋊C414yes—
212C2×C4C4×D414yes—
213C2×C4C4×D412yes—
214C2×C4#12012yes—
215C2×C4C22⋊Q814yes—
216C2×C4C22⋊Q812yes—
217C2×C4#12314yes—
218C2×C4C2×SD1614yes—
219C2×C4C23×C411yescharacteristic
220C2×C4C22×D411yescharacteristic
221C2×C4C22×D411yescharacteristic
222C2×C4C22×Q811yescharacteristic
223C2×C4C2×#4111yescharacteristic
224C2×C4C2×#4111yescharacteristic
225C8—24no—
226C8—42no—
227C22—28no—
228C22—44no—
229C22—432no—
230C22—44no—
231C22—44no—
232C22—44no—
233C22—44no—
234C22—44no—
235C22#38514yes—
236C22C4×SD1614yes—
237C22#44214yes—
238C22#44914yes—
239C22#45014yes—
240C22#47614yes—
241C22#47814yes—
242C22C2×C4×D411yescharacteristic
243C22C2×#12011yescharacteristic
244C22C2×C22⋊Q811yescharacteristic
245C22C22×SD1611yescharacteristic
246C22C2×#13511yescharacteristic
247C22C2×AGL(1,ℤ/8)11yescharacteristic
248C22C2×AGL(1,ℤ/8)11yescharacteristic
249C4—24no—
250C4—44no—
251C4—44no—
252C4—42no—
253C4—82no—
254C4#38514yes—
255C4C22×C4⋊C411yescharacteristic
256C4C2×C4×D411yescharacteristic
257C4C2×C22⋊Q811yescharacteristic
258C4C2×#12311yescharacteristic
259C2—48no—
260C2#186418yesdirect product factor
261C2C2×#38511yescharacteristic
262C2C2×C4×SD1611yescharacteristic
263C2C2×#44211yescharacteristic
264C2C2×#45011yescharacteristic
265C2C2×#44911yescharacteristic
266C2C2×#47611yescharacteristic
267C2C2×#47811yescharacteristic
subgroupG/H
center, socleC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C22×#106C2semidirect
5. C2×#389C2semidirect
6. #1864C2direct (N × H)
7. C2×#340C2semidirect
8. C2×#336C2semidirect
24. C2×#106C22semidirect
26. C2×#102C4semidirect
30. #389C22semidirect
32. #340C22semidirect
33. #336C22semidirect
58. C22×C8C2×C4semidirect
73. C2×C4⋊C4C2×C4semidirect
86. #102C2×C4semidirect
106. C2×D4C4⋊C4semidirect
149. C2×C8C22×C4semidirect
158. C4⋊C4C22×C4semidirect
190. D4C2×C4⋊C4semidirect
260. C2#1864direct (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×#1062
C22×#1022
C2×#3892
#18642
C2×#3402
C2×#3362