Finite Group Databasebeta

← C2×#1826 #20704

Subgroups — C2×#1826 #20704

Order 256.

803 conjugacy classes of subgroups; only the 239 normal subgroups are shown.

normal subgroups only

This group has 803 conjugacy classes of subgroups — too many to draw. Only its 239 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×#117C211yesmaximal, characteristic
2C2×#407C211yesmaximal, characteristic
3C2×C4×C22⋊C4C211yesmaximal, characteristic
4#1826C218yesmaximal, direct product factor
5C2×#339C214yesmaximal, complemented
6C24×C4C2211yescharacteristic
7C22×M16C2212yes—
8C2×#117—21no—
9C2×#117—22no—
10C2×#117—22no—
11C2×#117—21no—
12C2×#117C412yescomplemented
13C2×#117C414yescomplemented
14C2×#117C2212yes—
15C2×#117C2214yes—
16C22×C4⋊C4C411yescharacteristic, complemented
17C22×C4⋊C4C411yescharacteristic, complemented
18C22×C22⋊C4—21no—
19C22×C22⋊C4—21no—
20C22×C42—21no—
21C22×C42C2212yes—
22#407—22no—
23#407C2214yes—
24C2×C22⋊C8—21no—
25C2×C22⋊C8—21no—
26C4×C22⋊C4—22no—
27C4×C22⋊C4C2214yes—
28C2×#95—21no—
29#339C22116yescomplemented
30C25D411yescharacteristic
31C23×C4—28no—
32C23×C4—21no—
33C23×C4—21no—
34C23×C4—22no—
35C23×C4C2×C411yescharacteristic
36C23×C4C2×C412yes—
37C23×C4C2×C411yescharacteristic
38C23×C4D411yescharacteristic
39C23×C4D412yes—
40C23×C4D412yes—
41C23×C4D411yescharacteristic
42C23×C4D411yescharacteristic
43C23×C4C2312yes—
44C23×C4C2311yescharacteristic
45C2×M16—22no—
46C2×M16—28no—
47C2×M16C2314yes—
48C22×C8—22no—
49#117—24no—
50#117—24no—
51#117—24no—
52#117—22no—
53#117—24no—
54#117—22no—
55#117—24no—
56#117C2×C414yes—
57#117C2×C418yescomplemented
58#117C2314yes—
59C2×C4⋊C4—22no—
60C2×C4⋊C4—22no—
61C2×C4⋊C4—21no—
62C2×C4⋊C4—21no—
63C2×C4⋊C4C2×C412yes—
64C2×C4⋊C4C2×C412yes—
65C2×C4⋊C4C2×C414yescomplemented
66C2×C4⋊C4C2×C414yescomplemented
67C2×C22⋊C4—28no—
68C2×C22⋊C4—24no—
69C2×C22⋊C4—22no—
70C2×C22⋊C4—22no—
71C2×C22⋊C4—24no—
72C2×C22⋊C4—24no—
73C2×C42—24no—
74C2×C42—22no—
75C2×C42—24no—
76C2×C42—22no—
77C2×C42—28no—
78C2×C42—22no—
79C2×C42C2314yes—
80C22⋊C8—24no—
81C22⋊C8—24no—
82#95—24no—
83C24—24no—
84C24—24no—
85C24—42no—
86C24C22⋊C411yescharacteristic
87C24C22⋊C412yes—
88C24C22⋊C411yescharacteristic
89C24C2×D412yes—
90C24C2×D411yescharacteristic
91C22×C4—24no—
92C22×C4—24no—
93C22×C4—28no—
94C22×C4—24no—
95C22×C4—28no—
96C22×C4—24no—
97C22×C4—24no—
98C22×C4—28no—
99C22×C4—28no—
100C22×C4—28no—
101C22×C4—22no—
102C22×C4—22no—
103C22×C4—24no—
104C22×C4—24no—
105C22×C4—24no—
106C22×C4—44no—
107C22×C4—44no—
108C22×C4—44no—
109C22×C4—44no—
110C22×C4C22⋊C411yescharacteristic
111C22×C4C22⋊C412yes—
112C22×C4C22⋊C411yescharacteristic
113C22×C4C22⋊C412yes—
114C22×C4C22⋊C412yes—
115C22×C4C22⋊C412yes—
116C22×C4C22⋊C412yes—
117C22×C4C22×C412yes—
118C22×C4C22×C412yes—
119C22×C4C22×C411yescharacteristic
120C22×C4C22×C411yescharacteristic
121C22×C4C2×D412yes—
122C22×C4C2×D412yes—
123C22×C4C2×D412yes—
124C22×C4C2×D411yescharacteristic
125C22×C4C2×D411yescharacteristic
126C22×C4C2×D411yescharacteristic
127C22×C4#4118yes—
128C22×C4C2411yescharacteristic
129M16—28no—
130M16—44no—
131C2×C8—24no—
132C2×C8—44no—
133C4⋊C4—22no—
134C4⋊C4—22no—
135C4⋊C4—24no—
136C4⋊C4—24no—
137C4⋊C4C22×C414yes—
138C4⋊C4C22×C414yes—
139C22⋊C4—216no—
140C22⋊C4—24no—
141C22⋊C4—28no—
142C22⋊C4—24no—
143C42—24no—
144C42—28no—
145C42—24no—
146C42—28no—
147C42—44no—
148C23—22no—
149C23—22no—
150C23—22no—
151C23—22no—
152C23—24no—
153C23—24no—
154C23—22no—
155C23—24no—
156C23—24no—
157C23—22no—
158C23—22no—
159C23—42no—
160C23—42no—
161C23—416no—
162C23#10414yes—
163C23C2×C22⋊C412yes—
164C23C2×C22⋊C411yescharacteristic
165C23C2×C22⋊C412yes—
166C23C2×C22⋊C411yescharacteristic
167C23#12314yes—
168C23C22×D411yescharacteristic
169C2×C4—24no—
170C2×C4—24no—
171C2×C4—22no—
172C2×C4—22no—
173C2×C4—24no—
174C2×C4—24no—
175C2×C4—24no—
176C2×C4—24no—
177C2×C4—24no—
178C2×C4—24no—
179C2×C4—24no—
180C2×C4—24no—
181C2×C4—28no—
182C2×C4—24no—
183C2×C4—24no—
184C2×C4—416no—
185C2×C4—44no—
186C2×C4—48no—
187C2×C4—44no—
188C2×C4—48no—
189C2×C4—44no—
190C2×C4—44no—
191C2×C4C2×C22⋊C412yes—
192C2×C4C2×C22⋊C412yes—
193C2×C4C2×C22⋊C411yescharacteristic
194C2×C4C2×C22⋊C411yescharacteristic
195C2×C4#11714yes—
196C2×C4#11714yes—
197C2×C4#12314yes—
198C2×C4#12314yes—
199C2×C4#12314yes—
200C2×C4C23×C411yescharacteristic
201C2×C4C22×D411yescharacteristic
202C2×C4C2×#4114yes—
203C8—44no—
204C22—28no—
205C22—28no—
206C22—21no—
207C22—21no—
208C22—22no—
209C22—21no—
210C22—21no—
211C22—22no—
212C22—22no—
213C22—22no—
214C22—22no—
215C22—48no—
216C22—48no—
217C22—44no—
218C22#38112yes—
219C22#38112yes—
220C22C2×#10414yes—
221C22C2×#10412yes—
222C22#42112yes—
223C22C22×C22⋊C411yescharacteristic
224C22C2×#12312yes—
225C4—22no—
226C4—22no—
227C4—48no—
228C4—44no—
229C4—44no—
230C4#38112yes—
231C4#38112yes—
232C4C2×#11712yes—
233C4C2×#12312yes—
234C2—22no—
235C2—22no—
236C2—24no—
237C2—42no—
238C2#182614yesdirect product factor
239C2C2×#38111yescharacteristic
240C2C22×#10411yescharacteristic
241C2C2×#42111yescharacteristic
subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C2×C22⋊C4
prime radicalC25D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
4. #1826C2direct (N × H)
5. C2×#339C2semidirect
12. C2×#117C4semidirect
13. C2×#117C4semidirect
16. C22×C4⋊C4C4semidirect
17. C22×C4⋊C4C4semidirect
29. #339C22semidirect
57. #117C2×C4semidirect
65. C2×C4⋊C4C2×C4semidirect
66. C2×C4⋊C4C2×C4semidirect
238. C2#1826direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1172
C2×#4072
C2×C4×C22⋊C42
#18262
C2×#3392