Finite Group Databasebeta

← C2×#1982 #21255

Subgroups — C2×#1982 #21255

Order 256.

1187 conjugacy classes of subgroups; only the 327 normal subgroups are shown.

normal subgroups only

This group has 1187 conjugacy classes of subgroups — too many to draw. Only its 327 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
2C22×C4⋊C8C211yesmaximal, characteristic, complemented
3C22×#102C214yesmaximal, complemented
4C2×C4×C4⋊C4C211yesmaximal, characteristic, complemented
5#1982C218yesmaximal, direct product factor
6C23×D4—21no—
7C23×D4—21no—
8C23×D4C2212yes—
9C23×C8C2212yes—
10C2×#127—22no—
11C2×#127—24no—
12C2×#127C418yescomplemented
13C2×#127C2214yes—
14C22×C4⋊C4C2212yes—
15C22×C42—21no—
16C22×C42C2211yescharacteristic
17C2×C4⋊C8—24no—
18C2×C4⋊C8C2214yescomplemented
19C2×#102—216no—
20C2×#102C22116yescomplemented
21C4×C4⋊C4—22no—
22C4×C4⋊C4C2214yescomplemented
23C2×#95—21no—
24C25—22no—
25C22×D4—28no—
26C22×D4—28no—
27C22×D4—28no—
28C22×D4—22no—
29C22×D4—24no—
30C22×D4—24no—
31C22×D4—24no—
32C22×D4—28no—
33C22×D4—48no—
34C22×D4—44no—
35C22×D4—44no—
36C22×D4C2×C418yes—
37C22×D4C2314yes—
38C23×C4—22no—
39C23×C4D411yescharacteristic
40C23×C4D411yescharacteristic
41C23×C4C2311yescharacteristic
42C22×C8—28no—
43C22×C8—24no—
44C22×C8C2314yes—
45#127—216no—
46#127—28no—
47#127C2×C4116yescomplemented
48C2×C4⋊C4—22no—
49C2×C4⋊C4—24no—
50C2×C4⋊C4D418yescomplemented
51C2×C4⋊C4C2314yes—
52C2×C42—24no—
53C2×C42—44no—
54C2×C42C2×C414yes—
55C2×C42D412yes—
56C2×C42D414yes—
57C2×C42C2312yes—
58C4⋊C8—28no—
59#102—232no—
60#95—24no—
61C24—28no—
62C24—24no—
63C24—48no—
64C24—44no—
65C24—44no—
66C24—48no—
67C24C2×D411yescharacteristic
68C2×D4—28no—
69C2×D4—216no—
70C2×D4—216no—
71C2×D4—232no—
72C2×D4—28no—
73C2×D4—24no—
74C2×D4—28no—
75C2×D4—416no—
76C2×D4—432no—
77C2×D4—432no—
78C2×D4—48no—
79C2×D4—48no—
80C2×D4—48no—
81C2×D4—48no—
82C2×D4—48no—
83C2×D4C22×C418yes—
84C22×C4—24no—
85C22×C4—28no—
86C22×C4—24no—
87C22×C4—44no—
88C22×C4—44no—
89C22×C4C22⋊C414yes—
90C22×C4C22⋊C414yes—
91C22×C4D814yes—
92C22×C4SD1614yes—
93C22×C4C22×C412yes—
94C22×C4C2×D412yes—
95C22×C4C2×D411yescharacteristic
96C22×C4C2×D412yes—
97C22×C4C2×D412yes—
98C22×C4C2×D414yes—
99C22×C4#4114yes—
100C22×C4C2411yescharacteristic
101C2×C8—28no—
102C2×C8—24no—
103C2×C8—48no—
104C4⋊C4—28no—
105C4⋊C4—24no—
106C4⋊C4C2×D418yescomplemented
107C42—48no—
108C42C22⋊C418yes—
109C42C22×C414yes—
110C42C2×D414yes—
111C23—28no—
112C23—48no—
113C23—44no—
114C23—44no—
115C23—48no—
116C23—416no—
117C23—416no—
118C23—416no—
119C23—816no—
120C23—816no—
121C23C2×C22⋊C412yes—
122C23#12114yes—
123C23C2×D812yes—
124C23C2×SD1612yes—
125C23AGL(1,ℤ/8)14yes—
126C23C22×D411yescharacteristic
127D4—216no—
128D4—432no—
129D4—44no—
130D4—44no—
131D4—416no—
132D4—432no—
133C2×C4—24no—
134C2×C4—28no—
135C2×C4—28no—
136C2×C4—44no—
137C2×C4—44no—
138C2×C4—416no—
139C2×C4#102116yescomplemented
140C2×C4C2×C22⋊C414yes—
141C2×C4C2×C22⋊C412yes—
142C2×C4C2×C22⋊C414yes—
143C2×C4C4×D418yes—
144C2×C4#12114yes—
145C2×C4#12414yes—
146C2×C4#12714yes—
147C2×C4C2×D814yes—
148C2×C4C2×SD1614yes—
149C2×C4C23×C411yescharacteristic
150C2×C4C22×D412yes—
151C2×C4C22×D411yescharacteristic
152C2×C4C2×#4112yes—
153C8—44no—
154C22—48no—
155C22—48no—
156C22—48no—
157C22—832no—
158C22—88no—
159C22—88no—
160C22#39014yes—
161C22C2×#10214yes—
162C22#41814yes—
163C22#45918yes—
164C22#46018yes—
165C22C22×C22⋊C411yescharacteristic
166C22C2×#12112yes—
167C22C22×D811yescharacteristic
168C22C22×SD1611yescharacteristic
169C22C2×AGL(1,ℤ/8)12yes—
170C4—24no—
171C4—48no—
172C4#39014yes—
173C4C2×#10218yescomplemented
174C4C2×C4×D412yes—
175C4C2×#12411yescharacteristic
176C4C2×#12711yescharacteristic
177C2—88no—
178C2#198218yesdirect product factor
179C2C2×#39011yescharacteristic
180C2C22×#10211yescharacteristic
181C2C2×#41811yescharacteristic
182C2C2×#45912yes—
183C2C2×#46012yes—
subgroupG/H
center, socleC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#127C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C22×C4⋊C8C2semidirect
3. C22×#102C2semidirect
4. C2×C4×C4⋊C4C2semidirect
5. #1982C2direct (N × H)
12. C2×#127C4semidirect
18. C2×C4⋊C8C22semidirect
20. C2×#102C22semidirect
22. C4×C4⋊C4C22semidirect
47. #127C2×C4semidirect
50. C2×C4⋊C4D4semidirect
106. C4⋊C4C2×D4semidirect
139. C2×C4#102semidirect
173. C4C2×#102semidirect
178. C2#1982direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1272
C22×C4⋊C82
C22×#1022
C2×C4×C4⋊C42
#19822