Finite Group Databasebeta

← C4×#446 #20517

Subgroups — C4×#446 #20517

Order 256.

479 conjugacy classes of subgroups.

The subgroup lattice has 138 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#446C212yesmaximal
2C42×Q8C211yesmaximal, characteristic
3#1771C214yesmaximal
4#1770C212yesmaximal
5C4×C4⋊C8C212yesmaximal
6C4×C4⋊C8C211yesmaximal, characteristic
7C4×#97C212yesmaximal
8C42×C8C211yesmaximal, characteristic
9C2×C4×Q8C412yes—
10C2×C4×Q8C2211yescharacteristic
11#446C4116yesdirect product factor
12C2×C4⋊C8C2212yes—
13C2×C4⋊C8C2214yes—
14C2×#97C2214yes—
15C2×#97C2214yes—
16C2×C4×C8C2212yes—
17C2×C4×C8C2211yescharacteristic
18C2×C4×C8C2212yes—
19C2×C4×C8C2212yes—
20C2×C4×C8C2211yescharacteristic
21C4×C4⋊C4C414yes—
22C4×C4⋊C4C412yes—
23C4×C4⋊C4C2211yescharacteristic
24C4×C4⋊C4C2212yes—
25C43C2211yescharacteristic
26C43C2212yes—
27#336C2214yes—
28#336C2212yes—
29C22×Q8C2×C411yescharacteristic
30C22×C8C2312yes—
31C22×C8C2314yes—
32C22×C8C2312yes—
33C4×Q8—28no—
34C4×Q8C2×C418yes—
35C2×C4⋊C4C2×C412yes—
36C2×C4⋊C4C2×C414yes—
37C2×C4⋊C4C2×C412yes—
38C2×C4⋊C4C2×C411yescharacteristic
39C2×C42C2×C414yes—
40C2×C42C2×C414yes—
41C2×C42C2×C412yes—
42C2×C42C2×C412yes—
43C2×C42C2311yescharacteristic
44C2×C42C2312yes—
45C2×C42C2311yescharacteristic
46C2×C42C2312yes—
47C2×C42C2311yescharacteristic
48C4⋊C8C2×C418yes—
49C4⋊C8C2×C4116yes—
50#97—28no—
51#97C2×C4116yes—
52C4×C8—24no—
53C4×C8—22no—
54C4×C8—24no—
55C4×C8C2×C418yes—
56C4×C8Q814yescomplemented
57#95C2×C412yes—
58#95C2×C414yes—
59C2×Q8—24no—
60C2×Q8C4214yes—
61C22×C4C22×C414yes—
62C22×C4C22×C411yescharacteristic
63C22×C4C22×C412yes—
64C22×C4C22×C412yes—
65C22×C4C22×C412yes—
66C22×C4C22×C411yescharacteristic
67C22×C4C22×C412yes—
68C22×C4C2411yescharacteristic
69C2×C8—22no—
70C2×C8—22no—
71C2×C8—24no—
72C2×C8—24no—
73C2×C8C22×C414yes—
74C2×C8C22×C418yes—
75C2×C8C22×C414yes—
76C2×C8C2×Q814yes—
77C2×C8#4114yes—
78C4⋊C4—28no—
79C4⋊C4—24no—
80C4⋊C4C4218yes—
81C4⋊C4C4214yes—
82C42—28no—
83C42—24no—
84C42—28no—
85C42—22no—
86C42—24no—
87C42M1618yes—
88C42C22×C414yes—
89C42C22×C418yes—
90C42C2×Q812yes—
91C42#4112yes—
92C23C23×C411yescharacteristic
93Q8—28no—
94C2×C4—22no—
95C2×C4—24no—
96C2×C4—22no—
97C2×C4—24no—
98C2×C4—22no—
99C2×C4—24no—
100C2×C4—24no—
101C2×C4—24no—
102C2×C4C2×C4212yes—
103C2×C4C2×C4214yes—
104C2×C4C2×C4214yes—
105C2×C4C2×C4212yes—
106C2×C4C4×Q814yes—
107C2×C4C2×M1614yes—
108C2×C4C2×M1614yes—
109C2×C4C2×M1614yes—
110C2×C4#13114yes—
111C2×C4C23×C412yes—
112C2×C4C22×Q811yescharacteristic
113C2×C4C2×#4112yes—
114C2×C4C2×#4111yescharacteristic
115C8—24no—
116C8—28no—
117C8C4×Q818yescomplemented
118C22C22×C4211yescharacteristic
119C22C2×C4×Q811yescharacteristic
120C22C4×#4111yescharacteristic
121C22C22×M1612yes—
122C22C2×#13112yes—
123C4—24no—
124C4—22no—
125C4—24no—
126C4—24no—
127C4—44no—
128C4C4×M1614yes—
129C4#44618yesdirect product factor
130C4C2×C4×Q812yes—
131C4C4×#4112yes—
132C2C42×Q811yescharacteristic
133C2C2×C4×M1611yescharacteristic
134C2C4×#13111yescharacteristic
135C2C2×#44612yes—
136C2#296512yes—
subgroupG/H
centerC2×C42C23
commutatorC22C22×C42
Frattini, cosocleC22×C4C24
socle, prime radicalC23C23×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
11. #446C4direct (N × H)
56. C4×C8Q8semidirect
117. C8C4×Q8semidirect
129. C4#446direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4462
C42×Q82
#17712
#17702
C4×C4⋊C82
C4×#972
C42×C82