Finite Group Databasebeta

← C2×#1856 #20853

Subgroups — C2×#1856 #20853

Order 256.

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

normal subgroups only

This group has 853 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
1C2×#518C211yesmaximal, characteristic
2C2×#428C212yesmaximal, complemented
3C22×#100C211yesmaximal, characteristic
4C2×#390C211yesmaximal, characteristic
5#1856C218yesmaximal, direct product factor
6C2×#339C212yesmaximal, complemented
7C23×D4C2211yescharacteristic
8C22×M16C2212yes—
9#518—22no—
10#518—24no—
11#518C2214yes—
12C2×C4×D4—22no—
13C2×C4×D4—22no—
14C2×#117C2212yes—
15C22×C4⋊C4C2211yescharacteristic
16C22×C22⋊C4—22no—
17C22×C22⋊C4—22no—
18C22×C42C2211yescharacteristic
19#428—24no—
20#428C2218yescomplemented
21C2×#107—22no—
22C2×#106—22no—
23C2×#100C418yescomplemented
24C2×#100C2214yes—
25#390—22no—
26#390C2214yes—
27#339C2218yescomplemented
28C25D412yes—
29C22×D4—22no—
30C22×D4—22no—
31C22×D4—24no—
32C22×D4C2×C414yes—
33C22×D4D412yes—
34C22×D4Q814yes—
35C22×D4C2312yes—
36C23×C4—21no—
37C23×C4—22no—
38C23×C4—22no—
39C23×C4—21no—
40C23×C4C2311yescharacteristic
41C2×M16—22no—
42C2×M16—24no—
43C2×M16C2×C418yescomplemented
44C2×M16C2314yes—
45C22×C8—22no—
46C4×D4—28no—
47C4×D4—28no—
48C4×D4—28no—
49C4×D4—28no—
50#117—22no—
51#117—22no—
52#117D414yes—
53#117C2314yes—
54C2×C4⋊C4—22no—
55C2×C4⋊C4—22no—
56C2×C4⋊C4—21no—
57C2×C4⋊C4D412yes—
58C2×C4⋊C4D412yes—
59C2×C4⋊C4C2312yes—
60C2×C22⋊C4—24no—
61C2×C22⋊C4—28no—
62C2×C22⋊C4—22no—
63C2×C22⋊C4—28no—
64C2×C22⋊C4—28no—
65C2×C22⋊C4—48no—
66C2×C42—22no—
67C2×C42—24no—
68C2×C42—21no—
69C2×C42C2312yes—
70#107—28no—
71#106—28no—
72#100C2×C4116yescomplemented
73C24—22no—
74C24—22no—
75C24—24no—
76C24—44no—
77C24—44no—
78C24C4⋊C418yes—
79C24C2×D411yescharacteristic
80C24C2×D414yes—
81C2×D4—28no—
82C2×D4—28no—
83C2×D4—24no—
84C2×D4—28no—
85C2×D4—28no—
86C2×D4—24no—
87C2×D4—24no—
88C2×D4—24no—
89C2×D4C4⋊C418yes—
90C2×D4C22×C414yes—
91C2×D4C2×Q814yes—
92C22×C4—24no—
93C22×C4—22no—
94C22×C4—22no—
95C22×C4—22no—
96C22×C4—28no—
97C22×C4—28no—
98C22×C4—22no—
99C22×C4—42no—
100C22×C4—42no—
101C22×C4—44no—
102C22×C4—41no—
103C22×C4—41no—
104C22×C4—84no—
105C22×C4—84no—
106C22×C4C22×C412yes—
107C22×C4C2×D411yescharacteristic
108C22×C4C2×D412yes—
109C22×C4C2×D412yes—
110C22×C4C2×Q812yes—
111C22×C4#4114yes—
112C22×C4C2411yescharacteristic
113M16—28no—
114M16—24no—
115M16C22×C418yescomplemented
116C2×C8—28no—
117C2×C8—24no—
118C4⋊C4—22no—
119C4⋊C4—22no—
120C4⋊C4—24no—
121C4⋊C4—42no—
122C4⋊C4C2×D414yes—
123C4⋊C4C2×D414yes—
124C22⋊C4—216no—
125C22⋊C4—24no—
126C22⋊C4—24no—
127C22⋊C4—416no—
128C42—24no—
129C42—24no—
130C42—24no—
131C42—42no—
132C23—22no—
133C23—22no—
134C23—24no—
135C23—28no—
136C23—24no—
137C23—28no—
138C23—44no—
139C23—416no—
140C23—44no—
141C23—44no—
142C23—44no—
143C23—88no—
144C23—82no—
145C23—82no—
146C23C2×C4⋊C412yes—
147C23C2×C4⋊C418yes—
148C23#12011yescharacteristic
149C23#12011yescharacteristic
150C23#12312yes—
151C23C22×D411yescharacteristic
152D4—28no—
153D4—28no—
154D4—216no—
155C2×C4—24no—
156C2×C4—24no—
157C2×C4—24no—
158C2×C4—48no—
159C2×C4—42no—
160C2×C4—42no—
161C2×C4—44no—
162C2×C4—44no—
163C2×C4—44no—
164C2×C4—42no—
165C2×C4—88no—
166C2×C4—88no—
167C2×C4—82no—
168C2×C4—82no—
169C2×C4C2×C4⋊C412yes—
170C2×C4C4×D414yes—
171C2×C4C4×D414yes—
172C2×C4#12012yes—
173C2×C4C22⋊Q814yes—
174C2×C4C22⋊Q814yes—
175C2×C4#12312yes—
176C2×C4C23×C411yescharacteristic
177C2×C4C22×D412yes—
178C2×C4C22×Q811yescharacteristic
179C2×C4C2×#4112yes—
180C8—28no—
181C22—24no—
182C22—24no—
183C22—21no—
184C22—21no—
185C22—21no—
186C22—21no—
187C22—28no—
188C22—48no—
189C22—416no—
190C22—44no—
191C22—44no—
192C22—84no—
193C22—88no—
194C22#38512yes—
195C22#38512yes—
196C22#45312yes—
197C22#45512yes—
198C22C22×C4⋊C411yescharacteristic
199C22C2×#12011yescharacteristic
200C22C2×#12311yescharacteristic
201C4—44no—
202C4—44no—
203C4—44no—
204C4—82no—
205C4#38514yes—
206C4C2×C4×D412yes—
207C4C2×C22⋊Q812yes—
208C2—21no—
209C2—21no—
210C2—22no—
211C2—48no—
212C2#185614yesdirect product factor
213C2C2×#38511yescharacteristic
214C2C2×#45311yescharacteristic
215C2C2×#45511yescharacteristic
subgroupG/H
center, socleC23#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
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×#428C2semidirect
5. #1856C2direct (N × H)
6. C2×#339C2semidirect
20. #428C22semidirect
23. C2×#100C4semidirect
27. #339C22semidirect
43. C2×M16C2×C4semidirect
72. #100C2×C4semidirect
115. M16C22×C4semidirect
212. C2#1856direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5182
C2×#4282
C22×#1002
C2×#3902
#18562
C2×#3392