Finite Group Databasebeta

← C2×#1728 #20333

Subgroups — C2×#1728 #20333

Order 256.

1391 conjugacy classes of subgroups.

The subgroup lattice has 146 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C23×M16C212yesmaximal
2C23×C42C211yesmaximal, characteristic
3#1728C218yesmaximal, direct product factor
4C2×#336C214yesmaximal, complemented
5C24×C4C412yes—
6C24×C4C2211yescharacteristic
7C22×M16—28no—
8C22×M16—28no—
9C22×M16C4116yescomplemented
10C22×M16C2218yes—
11C23×C8C2214yes—
12C22×C42—28no—
13C22×C42C414yes—
14C22×C42C412yes—
15C22×C42C2214yes—
16C22×C42C2212yes—
17#336C22116yescomplemented
18C25C2×C411yescharacteristic
19C23×C4—28no—
20C23×C4—216no—
21C23×C4C2×C418yes—
22C23×C4C2×C414yes—
23C23×C4C2×C411yescharacteristic
24C23×C4C2×C412yes—
25C23×C4C2×C418yes—
26C23×C4D414yes—
27C23×C4D418yes—
28C23×C4Q814yes—
29C23×C4C2312yes—
30C23×C4C2311yescharacteristic
31C2×M16—264no—
32C2×M16—216no—
33C2×M16—216no—
34C2×M16C2×C4132yescomplemented
35C22×C8—28no—
36C22×C8—28no—
37C22×C8C2×C4116yescomplemented
38C22×C8C2318yes—
39C2×C42—216no—
40C2×C42—28no—
41C2×C42—28no—
42C2×C42—216no—
43C2×C42C2×C418yes—
44C2×C42C2×C414yes—
45C2×C42C2314yes—
46C24—28no—
47C24C4214yes—
48C24C22⋊C414yes—
49C24C4⋊C414yes—
50C24C22×C412yes—
51C24C22×C411yescharacteristic
52C22×C4—264no—
53C22×C4—216no—
54C22×C4—28no—
55C22×C4—28no—
56C22×C4—232no—
57C22×C4C4218yes—
58C22×C4C4214yes—
59C22×C4C22⋊C418yes—
60C22×C4C22⋊C414yes—
61C22×C4C22⋊C4132yes—
62C22×C4C4⋊C418yes—
63C22×C4C4⋊C414yes—
64C22×C4C4⋊C4132yes—
65C22×C4M16116yescomplemented
66C22×C4C22×C418yes—
67C22×C4C22×C412yes—
68C22×C4C22×C411yescharacteristic
69C22×C4C22×C414yes—
70C22×C4C22×C418yes—
71C22×C4C2×D412yes—
72C22×C4C2×D414yes—
73C22×C4C2×D414yes—
74C22×C4C2×D418yes—
75C22×C4C2×Q814yes—
76C22×C4C2×Q812yes—
77C22×C4C2411yescharacteristic
78M16—264no—
79C2×C8—232no—
80C2×C8—28no—
81C2×C8—28no—
82C2×C8C22×C4116yescomplemented
83C42—216no—
84C42—28no—
85C42—28no—
86C23—28no—
87C23—216no—
88C23—216no—
89C23—216no—
90C23#95116yes—
91C23C2×C4214yes—
92C23C2×C4212yes—
93C23C2×C22⋊C414yes—
94C23C2×C22⋊C412yes—
95C23C2×C4⋊C414yes—
96C23C2×C4⋊C412yes—
97C23C2×M1618yes—
98C23C23×C411yescharacteristic
99C2×C4—264no—
100C2×C4—28no—
101C2×C4—28no—
102C2×C4—232no—
103C2×C4#95132yes—
104C2×C4#95116yes—
105C2×C4C2×C4214yes—
106C2×C4C2×C4212yes—
107C2×C4C2×C22⋊C418yes—
108C2×C4C2×C22⋊C4116yes—
109C2×C4C2×C22⋊C414yes—
110C2×C4C2×C22⋊C412yes—
111C2×C4C2×C4⋊C4116yes—
112C2×C4C2×C4⋊C418yes—
113C2×C4C2×C4⋊C414yes—
114C2×C4C2×C4⋊C412yes—
115C2×C4C2×M16116yescomplemented
116C2×C4C23×C412yes—
117C2×C4C22×D411yescharacteristic
118C2×C4C22×D412yes—
119C2×C4C22×Q811yescharacteristic
120C8—216no—
121C22—28no—
122C22—28no—
123C22—28no—
124C22—232no—
125C22C2×#9518yes—
126C22C2×#9514yes—
127C22C4×M1618yes—
128C22#40718yes—
129C22#42318yes—
130C22C22×C4211yescharacteristic
131C22C22×C22⋊C411yescharacteristic
132C22C22×C4⋊C411yescharacteristic
133C22C22×M1614yes—
134C4—216no—
135C4C2×#9514yes—
136C4C2×#9518yes—
137C4C22×C22⋊C412yes—
138C4C22×C4⋊C412yes—
139C2—28no—
140C2#172818yesdirect product factor
141C2C22×#9511yescharacteristic
142C2C2×C4×M1612yes—
143C2C2×#40712yes—
144C2C2×#42312yes—
subgroupG/H
centerC23×C4C23
commutatorC22C22×C42
Frattini, cosocleC22×C4C24
socleC24C22×C4
prime radicalC25C2×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
3. #1728C2direct (N × H)
4. C2×#336C2semidirect
9. C22×M16C4semidirect
17. #336C22semidirect
34. C2×M16C2×C4semidirect
37. C22×C8C2×C4semidirect
65. C22×C4M16semidirect
82. C2×C8C22×C4semidirect
115. C2×C4C2×M16semidirect
140. C2#1728direct (N × H)

Maximal subgroups

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

subgroupindex
C23×M162
C23×C422
#17282
C2×#3362