Finite Group Databasebeta

← C2×#1887 #20949

Subgroups — C2×#1887 #20949

Order 256.

1263 conjugacy classes of subgroups; only the 247 normal subgroups are shown.

normal subgroups only

This group has 1263 conjugacy classes of subgroups — too many to draw. Only its 247 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×#127C211yesmaximal, characteristic
2C2×#518C211yesmaximal, characteristic, complemented
3C2×#418C212yesmaximal, complemented
4C22×#100C211yesmaximal, characteristic, complemented
5#1887C218yesmaximal, direct product factor
6C2×#339C212yesmaximal, complemented
7C23×D4—22no—
8C23×D4C2211yescharacteristic
9C23×D4C2211yescharacteristic
10C22×M16C2212yes—
11C2×#127—22no—
12C2×#127—24no—
13C2×#127C418yescomplemented
14C2×#127C2214yes—
15#518—22no—
16#518—24no—
17#518C2214yescomplemented
18C2×C4×D4—24no—
19C2×#117C2212yes—
20C22×C22⋊C4—22no—
21C22×C42C2211yescharacteristic
22#418—24no—
23#418C2218yescomplemented
24C2×#102—24no—
25C2×#100—24no—
26C2×#100C2214yescomplemented
27#339C2218yescomplemented
28C25—21no—
29C25D412yes—
30C22×D4—216no—
31C22×D4—28no—
32C22×D4—22no—
33C22×D4—22no—
34C22×D4—22no—
35C22×D4—22no—
36C22×D4—21no—
37C22×D4—22no—
38C22×D4—24no—
39C22×D4—24no—
40C22×D4—416no—
41C22×D4C2×C414yes—
42C22×D4C2×C414yescomplemented
43C22×D4D412yes—
44C22×D4D414yes—
45C22×D4C2312yes—
46C22×D4C2312yes—
47C23×C4—21no—
48C23×C4—24no—
49C23×C4C2311yescharacteristic
50C2×M16—22no—
51C2×M16—24no—
52C2×M16—24no—
53C2×M16C2314yes—
54C22×C8—22no—
55#127—216no—
56#127—28no—
57#127C2×C4116yescomplemented
58C4×D4—216no—
59C4×D4—216no—
60#117—22no—
61#117—22no—
62#117D414yescomplemented
63#117C2314yes—
64C2×C4⋊C4D414yescomplemented
65C2×C22⋊C4—24no—
66C2×C22⋊C4—28no—
67C2×C22⋊C4—22no—
68C2×C22⋊C4—28no—
69C2×C42—22no—
70C2×C42—21no—
71C2×C42—22no—
72C2×C42C2×C414yescomplemented
73C2×C42C2312yes—
74#102—216no—
75#100—28no—
76C24—22no—
77C24—22no—
78C24—24no—
79C24—24no—
80C24—22no—
81C24—48no—
82C24—48no—
83C24—41no—
84C24—41no—
85C24—42no—
86C24C22⋊C418yes—
87C24C2×D411yescharacteristic
88C24C2×D414yes—
89C2×D4—232no—
90C2×D4—24no—
91C2×D4—28no—
92C2×D4—28no—
93C2×D4—28no—
94C2×D4—28no—
95C2×D4—24no—
96C2×D4—28no—
97C2×D4—28no—
98C2×D4—24no—
99C2×D4—24no—
100C2×D4—24no—
101C2×D4—22no—
102C2×D4—24no—
103C2×D4—24no—
104C2×D4—464no—
105C2×D4—432no—
106C2×D4—42no—
107C2×D4—44no—
108C2×D4—44no—
109C2×D4—42no—
110C2×D4C22⋊C418yes—
111C2×D4C22×C414yes—
112C2×D4C22×C414yescomplemented
113C2×D4C2×D414yes—
114C22×C4—28no—
115C22×C4—24no—
116C22×C4—22no—
117C22×C4—24no—
118C22×C4—216no—
119C22×C4—88no—
120C22×C4C22×C412yes—
121C22×C4C2×D411yescharacteristic
122C22×C4C2×D412yes—
123C22×C4C2×D412yes—
124C22×C4C2×D412yes—
125C22×C4#4114yes—
126C22×C4C2411yescharacteristic
127M16—24no—
128M16—24no—
129M16—44no—
130C2×C8—24no—
131C2×C8—44no—
132C4⋊C4—24no—
133C4⋊C4C2×D418yescomplemented
134C22⋊C4—216no—
135C22⋊C4—24no—
136C22⋊C4—24no—
137C42—24no—
138C42—24no—
139C42—22no—
140C42—24no—
141C42C22×C414yescomplemented
142C23—24no—
143C23—24no—
144C23—28no—
145C23—24no—
146C23—28no—
147C23—24no—
148C23—416no—
149C23—48no—
150C23—416no—
151C23—48no—
152C23—48no—
153C23—42no—
154C23—42no—
155C23—44no—
156C23—44no—
157C23—88no—
158C23—84no—
159C23—88no—
160C23—84no—
161C23—84no—
162C23C2×C22⋊C412yes—
163C23C2×C22⋊C418yes—
164C23#12011yescharacteristic
165C23#12011yescharacteristic
166C23#12312yes—
167C23C22×D411yescharacteristic
168D4—28no—
169D4—28no—
170D4—28no—
171D4—216no—
172D4—464no—
173D4—44no—
174D4—48no—
175C2×C4—216no—
176C2×C4—28no—
177C2×C4—24no—
178C2×C4—28no—
179C2×C4—48no—
180C2×C4—816no—
181C2×C4C2×C22⋊C412yes—
182C2×C4C4×D414yes—
183C2×C4C4×D414yes—
184C2×C4#12012yes—
185C2×C4#12114yes—
186C2×C4#12114yes—
187C2×C4#12312yes—
188C2×C4C23×C411yescharacteristic
189C2×C4C22×D412yes—
190C2×C4C22×D411yescharacteristic
191C2×C4C2×#4112yes—
192C8—44no—
193C22—24no—
194C22—24no—
195C22—22no—
196C22—22no—
197C22—28no—
198C22—48no—
199C22—48no—
200C22—416no—
201C22—48no—
202C22—44no—
203C22—84no—
204C22—88no—
205C22—84no—
206C22—88no—
207C22—88no—
208C22—84no—
209C22#38612yes—
210C22#38612yes—
211C22#45314yes—
212C22C22×C22⋊C411yescharacteristic
213C22C2×#12011yescharacteristic
214C22C2×#12311yescharacteristic
215C4—28no—
216C4—48no—
217C4#38614yes—
218C4C2×C4×D412yes—
219C4C2×#12112yes—
220C2—21no—
221C2—21no—
222C2—22no—
223C2—48no—
224C2—84no—
225C2#188714yesdirect product factor
226C2C2×#38611yescharacteristic
227C2C2×#45312yes—
subgroupG/H
center, socleC23#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#127C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#518C2semidirect
3. C2×#418C2semidirect
4. C22×#100C2semidirect
5. #1887C2direct (N × H)
6. C2×#339C2semidirect
13. C2×#127C4semidirect
17. #518C22semidirect
23. #418C22semidirect
26. C2×#100C22semidirect
27. #339C22semidirect
42. C22×D4C2×C4semidirect
57. #127C2×C4semidirect
62. #117D4semidirect
64. C2×C4⋊C4D4semidirect
72. C2×C42C2×C4semidirect
112. C2×D4C22×C4semidirect
133. C4⋊C4C2×D4semidirect
141. C42C22×C4semidirect
225. C2#1887direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1272
C2×#5182
C2×#4182
C22×#1002
#18872
C2×#3392