Finite Group Databasebeta

← C2×#1819 #20686

Subgroups — C2×#1819 #20686

Order 256.

1559 conjugacy classes of subgroups; only the 247 normal subgroups are shown.

normal subgroups only

This group has 1559 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
1C23×C22⋊C4C211yesmaximal, characteristic
2C2×#379C212yesmaximal
3#1819C218yesmaximal, direct product factor
4C2×#342C214yesmaximal, complemented
5C26C2211yescharacteristic
6C24×C4C412yescomplemented
7C22×C22⋊C4—24no—
8C22×C22⋊C4—24no—
9C22×C22⋊C4—24no—
10C22×C22⋊C4C414yescomplemented
11C22×C22⋊C4C412yescomplemented
12C22×C22⋊C4C2214yes—
13C22×C22⋊C4C2212yes—
14C22×C22⋊C4C2214yes—
15#379—24no—
16#379C2218yes—
17#342C22116yescomplemented
18C25—28no—
19C25—48no—
20C25C2×C411yescharacteristic
21C25C2×C411yescharacteristic
22C25C2×C412yes—
23C25D414yes—
24C25D414yes—
25C25C2312yes—
26C25C2311yescharacteristic
27C23×C4—24no—
28C23×C4—22no—
29C23×C4—22no—
30C23×C4—24no—
31C23×C4—48no—
32C23×C4C2×C414yes—
33C23×C4C2×C418yescomplemented
34C2×C22⋊C4—216no—
35C2×C22⋊C4—24no—
36C2×C22⋊C4—24no—
37C2×C22⋊C4—24no—
38C2×C22⋊C4—24no—
39C2×C22⋊C4—216no—
40C2×C22⋊C4—216no—
41C2×C22⋊C4—216no—
42C2×C22⋊C4—24no—
43C2×C22⋊C4—416no—
44C2×C22⋊C4C2×C414yes—
45C2×C22⋊C4C2×C418yescomplemented
46C2×C22⋊C4C2318yes—
47C2×C22⋊C4C2314yes—
48C24—28no—
49C24—24no—
50C24—216no—
51C24—28no—
52C24—24no—
53C24—216no—
54C24—216no—
55C24—28no—
56C24—48no—
57C24—44no—
58C24—48no—
59C24—416no—
60C24—44no—
61C24—48no—
62C24—464no—
63C24C22⋊C412yes—
64C24C22⋊C412yes—
65C24C22⋊C418yes—
66C24C22⋊C412yes—
67C24C22⋊C412yes—
68C24C22×C412yes—
69C24C22×C411yescharacteristic
70C24C22×C412yes—
71C24C22×C411yescharacteristic
72C24C2×D418yes—
73C24C2×D412yes—
74C24C2×D412yes—
75C24#4118yes—
76C24C2411yescharacteristic
77C22×C4—24no—
78C22×C4—28no—
79C22×C4—28no—
80C22×C4—24no—
81C22×C4—28no—
82C22×C4—416no—
83C22×C4—48no—
84C22×C4—48no—
85C22×C4—48no—
86C22×C4—416no—
87C22×C4—416no—
88C22×C4—48no—
89C22×C4C22×C418yes—
90C22⋊C4—28no—
91C22⋊C4—216no—
92C22⋊C4—28no—
93C22⋊C4—216no—
94C22⋊C4—432no—
95C22⋊C4—48no—
96C23—232no—
97C23—24no—
98C23—24no—
99C23—24no—
100C23—28no—
101C23—24no—
102C23—28no—
103C23—24no—
104C23—28no—
105C23—24no—
106C23—216no—
107C23—216no—
108C23—24no—
109C23—24no—
110C23—216no—
111C23—216no—
112C23—28no—
113C23—48no—
114C23—44no—
115C23—42no—
116C23—44no—
117C23—44no—
118C23—48no—
119C23—416no—
120C23—42no—
121C23—464no—
122C23—432no—
123C23—464no—
124C23—432no—
125C23—416no—
126C23#9918yes—
127C23C2×C22⋊C414yes—
128C23C2×C22⋊C412yes—
129C23C2×C22⋊C411yescharacteristic
130C23C2×C22⋊C414yes—
131C23C2×C22⋊C411yescharacteristic
132C23#11714yes—
133C23#11714yes—
134C23#12318yes—
135C23#12318yes—
136C23C23×C411yescharacteristic
137C23C22×D412yes—
138C23C2×#4114yes—
139C2×C4—28no—
140C2×C4—48no—
141C2×C4—416no—
142C2×C4—416no—
143C2×C4—48no—
144C2×C4—48no—
145C2×C4—416no—
146C2×C4—48no—
147C2×C4—816no—
148C22—216no—
149C22—216no—
150C22—216no—
151C22—216no—
152C22—28no—
153C22—22no—
154C22—24no—
155C22—22no—
156C22—24no—
157C22—24no—
158C22—24no—
159C22—28no—
160C22—24no—
161C22—44no—
162C22—48no—
163C22—44no—
164C22—432no—
165C22—432no—
166C22—48no—
167C22—48no—
168C22—48no—
169C22#38112yes—
170C22#38114yes—
171C22#38112yes—
172C22C2×#9918yes—
173C22C2×#9914yes—
174C22C22×C22⋊C411yescharacteristic
175C22C2×#11712yes—
176C22C2×#12314yes—
177C4—48no—
178C4—88no—
179C2—24no—
180C2—22no—
181C2—22no—
182C2—28no—
183C2—24no—
184C2—44no—
185C2#181914yesdirect product factor
186C2C2×#38111yescharacteristic
187C2C22×#9912yes—
subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC24C24
prime radicalC26C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C26 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
3. #1819C2direct (N × H)
4. C2×#342C2semidirect
6. C24×C4C4semidirect
10. C22×C22⋊C4C4semidirect
11. C22×C22⋊C4C4semidirect
17. #342C22semidirect
33. C23×C4C2×C4semidirect
45. C2×C22⋊C4C2×C4semidirect
185. C2#1819direct (N × H)

Maximal subgroups

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

subgroupindex
C23×C22⋊C42
C2×#3792
#18192
C2×#3422