Finite Group Databasebeta

← C4×#423 #20428

Subgroups — C4×#423 #20428

Order 256.

691 conjugacy classes of subgroups.

The subgroup lattice has 137 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#423C212yesmaximal
2C2×C4×M16C212yesmaximal
3C2×C43C211yesmaximal, characteristic
4#1767C214yesmaximal, complemented
5C4×C4⋊C8C214yesmaximal, complemented
6#1728C212yesmaximal
7C22×M16C2214yes—
8C22×C42C414yes—
9C22×C42C2211yescharacteristic
10C22×C42C2211yescharacteristic
11C22×C42C2211yescharacteristic
12#423C4116yesdirect product factor
13C2×C4⋊C8C2218yes—
14C4×M16—28no—
15C2×#97C2214yes—
16C2×C4×C8C2214yes—
17C43C412yes—
18C43C412yes—
19C43C2212yes—
20C43C2212yes—
21#336C2218yes—
22C23×C4C2×C412yes—
23C23×C4C2×C412yes—
24C23×C4C2×C412yes—
25C23×C4C2311yescharacteristic
26C2×M16—28no—
27C2×M16—28no—
28C2×M16C2×C4116yes—
29C22×C8C2318yes—
30C2×C42—24no—
31C2×C42—216no—
32C2×C42C2×C412yes—
33C2×C42C2×C414yes—
34C2×C42C2×C414yes—
35C2×C42C2×C414yes—
36C2×C42C2×C411yescharacteristic
37C2×C42C2×C411yescharacteristic
38C2×C42C2×C418yes—
39C2×C42C2×C412yes—
40C2×C42C2×C414yes—
41C2×C42D414yes—
42C2×C42Q814yes—
43C2×C42C2312yes—
44C2×C42C2312yes—
45C2×C42C2311yescharacteristic
46C2×C42C2311yescharacteristic
47C4⋊C8C2×C4132yescomplemented
48#97—28no—
49C4×C8—28no—
50C24C22×C411yescharacteristic
51C22×C4—24no—
52C22×C4—28no—
53C22×C4—28no—
54C22×C4—28no—
55C22×C4C4218yes—
56C22×C4C4⋊C418yes—
57C22×C4C22×C412yes—
58C22×C4C22×C412yes—
59C22×C4C22×C414yes—
60C22×C4C22×C411yescharacteristic
61C22×C4C22×C412yes—
62C22×C4C22×C414yes—
63C22×C4C22×C412yes—
64C22×C4C2×D412yes—
65C22×C4C2×Q812yes—
66C22×C4#4114yes—
67C22×C4C2411yescharacteristic
68M16—232no—
69C2×C8—28no—
70C2×C8—28no—
71C2×C8C22×C4116yes—
72C42—24no—
73C42—28no—
74C42—28no—
75C42—28no—
76C42—24no—
77C42C4214yes—
78C42C4214yes—
79C42C4⋊C418yes—
80C42M16116yescomplemented
81C42C22×C418yes—
82C42C2×D412yes—
83C42C2×D412yes—
84C42C2×Q812yes—
85C42C2×Q812yes—
86C23—24no—
87C23C2×C4212yes—
88C23C2×C4⋊C412yes—
89C23#11712yes—
90C23C23×C411yescharacteristic
91C2×C4—216no—
92C2×C4—24no—
93C2×C4—24no—
94C2×C4—24no—
95C2×C4—24no—
96C2×C4—216no—
97C2×C4—216no—
98C2×C4C2×C4214yes—
99C2×C4C2×C4212yes—
100C2×C4C2×C4214yes—
101C2×C4C2×C4⋊C414yes—
102C2×C4C2×C4⋊C412yes—
103C2×C4C2×C4⋊C414yes—
104C2×C4#11712yes—
105C2×C4C4×D418yes—
106C2×C4C4×Q818yes—
107C2×C4C2×M1618yes—
108C2×C4C2×M1618yes—
109C2×C4C2×M1618yes—
110C2×C4C23×C412yes—
111C2×C4C22×D411yescharacteristic
112C2×C4C22×Q811yescharacteristic
113C2×C4C2×#4112yes—
114C8—216no—
115C22—24no—
116C22—24no—
117C22—24no—
118C22C4×C4⋊C414yes—
119C22C22×C4211yescharacteristic
120C22C22×C4⋊C411yescharacteristic
121C22C2×#11711yescharacteristic
122C22C22×M1614yes—
123C4—24no—
124C4—24no—
125C4—28no—
126C4C4×C4⋊C414yes—
127C4C4×M1618yescomplemented
128C4#42318yesdirect product factor
129C4C2×C4×D412yes—
130C4C2×C4×Q812yes—
131C2—24no—
132C2C2×C4×C4⋊C411yescharacteristic
133C2C2×C4×M1612yes—
134C2C2×#42312yes—
135C2#292012yes—
subgroupG/H
centerC2×C42C23
commutatorC22C22×C42
Frattini, cosocleC22×C4C24
socleC23C23×C4
prime radicalC24C22×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
4. #1767C2semidirect
5. C4×C4⋊C8C2semidirect
12. #423C4direct (N × H)
47. C4⋊C8C2×C4semidirect
80. C42M16semidirect
127. C4C4×M16semidirect
128. C4#423direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4232
C2×C4×M162
C2×C432
#17672
C4×C4⋊C82
#17282