Finite Group Databasebeta

← C2×#1566 #17790

Subgroups — C2×#1566 #17790

Order 256.

427 conjugacy classes of subgroups; only the 263 normal subgroups are shown.

normal subgroups only

This group has 427 conjugacy classes of subgroups — too many to draw. Only its 263 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×#423C212yesmaximal
2C22×C4×C8C211yesmaximal, characteristic
3#1566C218yesmaximal, direct product factor
4C2×#334C214yesmaximal, complemented
5C22×M16—22no—
6C23×C8C412yes—
7C22×C42C2211yescharacteristic
8#423—24no—
9#423C2218yes—
10C2×C4⋊C8—22no—
11C2×C4⋊C8C2214yes—
12C2×C4×C8C411yescharacteristic
13C2×C4×C8C414yes—
14C2×C4×C8C411yescharacteristic
15C2×C4×C8C2212yes—
16C2×C4×C8C2214yes—
17#334C22116yescomplemented
18C23×C4C2×C411yescharacteristic
19C23×C4D411yescharacteristic
20C23×C4Q811yescharacteristic
21C2×M16—28no—
22C2×M16—48no—
23C22×C8—28no—
24C22×C8—24no—
25C22×C8C2×C412yes—
26C22×C8C2×C418yes—
27C22×C8C2×C412yes—
28C2×C42C2×C412yes—
29C2×C42C2×C411yescharacteristic
30C2×C42D412yes—
31C2×C42D411yescharacteristic
32C2×C42Q811yescharacteristic
33C2×C42Q812yes—
34C2×C42C2312yes—
35C2×C42C2311yescharacteristic
36C4⋊C8—28no—
37C4⋊C8—24no—
38C4⋊C8C2318yes—
39C4×C8C2×C414yes—
40C4×C8C2×C414yes—
41C4×C8C2×C414yes—
42C4×C8C2314yes—
43C24C4⋊C411yescharacteristic
44C22×C4—24no—
45C22×C4—24no—
46C22×C4C4⋊C412yes—
47C22×C4C4⋊C411yescharacteristic
48C22×C4C4⋊C412yes—
49C22×C4C4⋊C411yescharacteristic
50C22×C4C4⋊C412yes—
51C22×C4C4⋊C411yescharacteristic
52C22×C4SD1618yes—
53C22×C4C22×C412yes—
54C22×C4C22×C411yescharacteristic
55C22×C4C2×D412yes—
56C22×C4C2×D411yescharacteristic
57C22×C4C2×Q811yescharacteristic
58C22×C4C2×Q812yes—
59M16—416no—
60C2×C8—24no—
61C2×C8—216no—
62C2×C8—28no—
63C2×C8—48no—
64C2×C8M1618yescomplemented
65C2×C8C22×C414yes—
66C2×C8C22×C414yes—
67C42C4⋊C412yes—
68C42C4⋊C412yes—
69C42C4⋊C412yes—
70C42C22×C411yescharacteristic
71C42C22×C412yes—
72C42C2×D411yescharacteristic
73C42C2×D412yes—
74C42C2×Q812yes—
75C42C2×Q811yescharacteristic
76C42C2411yescharacteristic
77C23—22no—
78C23—22no—
79C23#10614yes—
80C23C2×C4⋊C412yes—
81C23C2×C4⋊C411yescharacteristic
82C2×C4—22no—
83C2×C4—22no—
84C2×C4—24no—
85C2×C4—24no—
86C2×C4—24no—
87C2×C4—24no—
88C2×C4#10618yes—
89C2×C4#10614yes—
90C2×C4#10814yes—
91C2×C4C2×C4⋊C411yescharacteristic
92C2×C4C2×C4⋊C412yes—
93C2×C4C2×C4⋊C411yescharacteristic
94C2×C4C2×C4⋊C412yes—
95C2×C4C2×C4⋊C411yescharacteristic
96C2×C4C2×C4⋊C412yes—
97C2×C4C2×M1614yes—
98C2×C4C2×SD1614yes—
99C2×C4C2×SD1618yes—
100C2×C4C23×C411yescharacteristic
101C2×C4C22×D411yescharacteristic
102C2×C4C22×Q811yescharacteristic
103C8—24no—
104C8—48no—
105C8C2×M1618yescomplemented
106C22—28no—
107C22—22no—
108C22—22no—
109C22#42312yes—
110C22C2×#10614yes—
111C22C2×#10612yes—
112C22C2×#10812yes—
113C22C22×C4⋊C411yescharacteristic
114C4—22no—
115C4—21no—
116C4—21no—
117C4#42312yes—
118C4C2×#10614yes—
119C4C2×#10612yes—
120C4C2×#10814yes—
121C4C22×M1612yes—
122C4C22×SD1612yes—
123C2—24no—
124C2#156614yesdirect product factor
125C2C2×#42311yescharacteristic
126C2C22×#10611yescharacteristic
127C2C22×#10811yescharacteristic
subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC23C2×C4⋊C4
prime radicalC24C4⋊C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

Complements

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

NH ≅ G/Ntype
3. #1566C2direct (N × H)
4. C2×#334C2semidirect
17. #334C22semidirect
64. C2×C8M16semidirect
105. C8C2×M16semidirect
124. C2#1566direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4232
C22×C4×C82
#15662
C2×#3342