Finite Group Databasebeta

← C2×#1875 #20907

Subgroups — C2×#1875 #20907

Order 256.

1155 conjugacy classes of subgroups; only the 287 normal subgroups are shown.

normal subgroups only

This group has 1155 conjugacy classes of subgroups — too many to draw. Only its 287 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×#121C211yesmaximal, characteristic
2C22×#117C211yesmaximal, characteristic, complemented
3C22×#102C212yesmaximal, complemented
4C22×C22⋊C8C211yesmaximal, characteristic, complemented
5#1875C218yesmaximal, direct product factor
6C2×#340C212yesmaximal, complemented
7C23×D4—21no—
8C23×D4C2211yescharacteristic
9C24×C4C2211yescharacteristic
10C23×C8C2212yes—
11C2×#121—24no—
12C2×#121—22no—
13C2×#121C418yescomplemented
14C2×#121C2214yes—
15C2×#117—22no—
16C2×#117—28no—
17C2×#117C2214yescomplemented
18C22×C4⋊C4C2211yescharacteristic
19C22×C4⋊C4C2212yes—
20C22×C22⋊C4—21no—
21C22×C22⋊C4—21no—
22C22×C42—21no—
23C2×#102—28no—
24C2×#102C2218yescomplemented
25C2×C22⋊C8—24no—
26C2×C22⋊C8C2214yescomplemented
27#340C2218yescomplemented
28C25—21no—
29C25D411yescharacteristic
30C22×D4—28no—
31C22×D4—24no—
32C22×D4—24no—
33C22×D4—21no—
34C22×D4—22no—
35C22×D4—24no—
36C22×D4—48no—
37C22×D4C2×C414yes—
38C22×D4C2312yes—
39C23×C4—24no—
40C23×C4—24no—
41C23×C4—21no—
42C23×C4—22no—
43C23×C4C2×C414yes—
44C23×C4D412yes—
45C23×C4D411yescharacteristic
46C23×C4D414yes—
47C23×C4C2312yes—
48C23×C4C2311yescharacteristic
49C22×C8—24no—
50C22×C8—24no—
51C22×C8—24no—
52C22×C8C2314yes—
53#121—216no—
54#121—28no—
55#121C2×C4116yescomplemented
56#117—216no—
57#117—216no—
58C2×C4⋊C4—22no—
59C2×C4⋊C4—24no—
60C2×C4⋊C4—21no—
61C2×C4⋊C4—22no—
62C2×C4⋊C4C2×C414yes—
63C2×C4⋊C4D418yescomplemented
64C2×C4⋊C4C2312yes—
65C2×C4⋊C4C2314yes—
66C2×C22⋊C4—28no—
67C2×C22⋊C4—24no—
68C2×C22⋊C4—28no—
69C2×C22⋊C4—24no—
70C2×C42—28no—
71C2×C42—24no—
72#102—216no—
73C22⋊C8—28no—
74C24—22no—
75C24—22no—
76C24—24no—
77C24—24no—
78C24—24no—
79C24—22no—
80C24—42no—
81C24—42no—
82C24—44no—
83C24—44no—
84C24C22⋊C414yes—
85C24C2×D412yes—
86C24C2×D411yescharacteristic
87C2×D4—216no—
88C2×D4—24no—
89C2×D4—216no—
90C2×D4—24no—
91C2×D4—22no—
92C2×D4—24no—
93C2×D4—416no—
94C2×D4—432no—
95C2×D4—42no—
96C2×D4—48no—
97C2×D4—42no—
98C2×D4C22×C414yes—
99C22×C4—22no—
100C22×C4—22no—
101C22×C4—216no—
102C22×C4—24no—
103C22×C4—216no—
104C22×C4—24no—
105C22×C4—24no—
106C22×C4—24no—
107C22×C4—24no—
108C22×C4—28no—
109C22×C4—24no—
110C22×C4—22no—
111C22×C4—44no—
112C22×C4—44no—
113C22×C4—44no—
114C22×C4C22⋊C414yes—
115C22×C4C22⋊C418yes—
116C22×C4C22×C414yes—
117C22×C4C22×C412yes—
118C22×C4C2×D412yes—
119C22×C4C2×D414yes—
120C22×C4C2×D411yescharacteristic
121C22×C4C2×D412yes—
122C22×C4C2×D414yes—
123C22×C4#4114yes—
124C22×C4C2411yescharacteristic
125C2×C8—24no—
126C2×C8—24no—
127C2×C8—24no—
128C2×C8—48no—
129C4⋊C4—24no—
130C4⋊C4—28no—
131C4⋊C4—24no—
132C4⋊C4—22no—
133C4⋊C4C22×C414yes—
134C4⋊C4C2×D418yescomplemented
135C22⋊C4—216no—
136C22⋊C4—216no—
137C42—216no—
138C23—22no—
139C23—22no—
140C23—24no—
141C23—24no—
142C23—28no—
143C23—28no—
144C23—28no—
145C23—24no—
146C23—48no—
147C23—48no—
148C23—42no—
149C23—42no—
150C23—44no—
151C23—44no—
152C23—48no—
153C23—48no—
154C23—48no—
155C23—88no—
156C23—88no—
157C23C2×C22⋊C414yes—
158C23C2×C22⋊C412yes—
159C23#12012yes—
160C23#12312yes—
161C23#13514yes—
162C23AGL(1,ℤ/8)14yes—
163C23C22×D411yescharacteristic
164D4—28no—
165D4—432no—
166D4—44no—
167D4—48no—
168C2×C4—22no—
169C2×C4—22no—
170C2×C4—28no—
171C2×C4—28no—
172C2×C4—28no—
173C2×C4—216no—
174C2×C4—24no—
175C2×C4—28no—
176C2×C4—44no—
177C2×C4—44no—
178C2×C4—44no—
179C2×C4—48no—
180C2×C4—416no—
181C2×C4C2×C22⋊C414yes—
182C2×C4C2×C22⋊C412yes—
183C2×C4C4×D418yes—
184C2×C4#12012yes—
185C2×C4#12118yes—
186C2×C4#12312yes—
187C2×C4C23×C411yescharacteristic
188C2×C4C22×D412yes—
189C2×C4C22×D411yescharacteristic
190C2×C4C2×#4112yes—
191C8—44no—
192C22—24no—
193C22—24no—
194C22—24no—
195C22—44no—
196C22—416no—
197C22—44no—
198C22—44no—
199C22—44no—
200C22—44no—
201C22—84no—
202C22—816no—
203C22—84no—
204C22#38614yes—
205C22#41614yes—
206C22#41814yes—
207C22#44918yes—
208C22#48218yes—
209C22C22×C22⋊C411yescharacteristic
210C22C2×#12011yescharacteristic
211C22C2×#12311yescharacteristic
212C22C2×#13512yes—
213C22C2×AGL(1,ℤ/8)12yes—
214C4—24no—
215C4—44no—
216C4—48no—
217C4#38614yes—
218C4C2×C4×D412yes—
219C4C2×#12112yes—
220C2—44no—
221C2—84no—
222C2#187518yesdirect product factor
223C2C2×#38611yescharacteristic
224C2C2×#41611yescharacteristic
225C2C2×#41811yescharacteristic
226C2C2×#44912yes—
227C2C2×#48212yes—
subgroupG/H
center, socleC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#121C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C22×#117C2semidirect
3. C22×#102C2semidirect
4. C22×C22⋊C8C2semidirect
5. #1875C2direct (N × H)
6. C2×#340C2semidirect
13. C2×#121C4semidirect
17. C2×#117C22semidirect
24. C2×#102C22semidirect
26. C2×C22⋊C8C22semidirect
27. #340C22semidirect
55. #121C2×C4semidirect
63. C2×C4⋊C4D4semidirect
134. C4⋊C4C2×D4semidirect
222. C2#1875direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1212
C22×#1172
C22×#1022
C22×C22⋊C82
#18752
C2×#3402