Finite Group Databasebeta

← C2×#1772 #20442

Subgroups — C2×#1772 #20442

Order 256.

551 conjugacy classes of subgroups.

The subgroup lattice has 163 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×#108C211yesmaximal, characteristic
2C2×#427C211yesmaximal, characteristic
3C2×#405C212yesmaximal
4C22×C4×C8C211yesmaximal, characteristic
5#1772C218yesmaximal, direct product factor
6C2×#339C212yesmaximal
7C22×M16C2212yes—
8C23×C8C2211yescharacteristic
9C23×C8C2211yescharacteristic
10C2×#117C2212yes—
11C22×C42C2211yescharacteristic
12C2×#108C418yescomplemented
13C2×#108C2214yes—
14#427C414yescomplemented
15#427C2214yes—
16C2×#107C412yescomplemented
17C2×#106C412yescomplemented
18#405—24no—
19#405C2218yes—
20C2×#97—22no—
21C2×C4×C8—22no—
22C2×C4×C8C418yescomplemented
23C2×C4×C8C2214yes—
24#339C2218yes—
25C23×C4—21no—
26C23×C4C2311yescharacteristic
27C2×M16—22no—
28C2×M16—24no—
29C2×M16C2×C418yes—
30C2×M16C2314yes—
31C22×C8—22no—
32C22×C8C2×C414yes—
33C22×C8C2×C411yescharacteristic
34C22×C8C2×C411yescharacteristic
35C22×C8C2×C412yes—
36C22×C8C2×C414yes—
37C22×C8C2×C414yes—
38C22×C8D411yescharacteristic
39C22×C8D412yes—
40C22×C8D411yescharacteristic
41C22×C8Q814yes—
42C22×C8C2312yes—
43C22×C8C2312yes—
44#117—22no—
45#117—22no—
46#117C2×C414yes—
47#117C2314yes—
48C2×C4⋊C4C2×C414yes—
49C2×C22⋊C4—22no—
50C2×C42—22no—
51C2×C42—21no—
52C2×C42—22no—
53C2×C42C2×C414yes—
54C2×C42C2312yes—
55#108C2×C4116yescomplemented
56#107C2×C418yescomplemented
57#106C2×C418yescomplemented
58#97—28no—
59C4×C8—28no—
60C4×C8C2×C4116yescomplemented
61C24#4111yescharacteristic
62C22×C4—28no—
63C22×C4—24no—
64C22×C4—22no—
65C22×C4—24no—
66C22×C4C22×C412yes—
67C22×C4C22×C412yes—
68C22×C4C22×C411yescharacteristic
69C22×C4C22×C411yescharacteristic
70C22×C4C2×D411yescharacteristic
71C22×C4C2×D411yescharacteristic
72C22×C4C2×Q812yes—
73C22×C4#4111yescharacteristic
74C22×C4#4112yes—
75C22×C4C2411yescharacteristic
76M16—28no—
77M16—24no—
78M16C22×C418yes—
79C2×C8—28no—
80C2×C8—24no—
81C2×C8C4214yes—
82C2×C8C4214yes—
83C2×C8C4218yes—
84C2×C8C4⋊C414yes—
85C2×C8C4⋊C418yes—
86C2×C8C4⋊C414yes—
87C2×C8C22×C414yes—
88C2×C8C22×C412yes—
89C2×C8C22×C412yes—
90C2×C8C22×C414yes—
91C2×C8C22×C414yes—
92C2×C8C2×D412yes—
93C2×C8C2×D412yes—
94C2×C8C2×Q814yes—
95C4⋊C4—24no—
96C4⋊C4C22×C418yes—
97C22⋊C4—24no—
98C22⋊C4—24no—
99C42—24no—
100C42—24no—
101C42—24no—
102C42—22no—
103C42C22×C414yes—
104C23—24no—
105C23#11712yes—
106C23C4×D411yescharacteristic
107C23C4×D411yescharacteristic
108C23C4×Q812yes—
109C23C2×#4111yescharacteristic
110C2×C4—28no—
111C2×C4—216no—
112C2×C4—24no—
113C2×C4—28no—
114C2×C4—48no—
115C2×C4C2×C4212yes—
116C2×C4C2×C4212yes—
117C2×C4C2×C4⋊C412yes—
118C2×C4C2×C4⋊C412yes—
119C2×C4#11712yes—
120C2×C4C4×D412yes—
121C2×C4C4×D412yes—
122C2×C4C4×D411yescharacteristic
123C2×C4C4×D411yescharacteristic
124C2×C4C4×Q812yes—
125C2×C4C4×Q812yes—
126C2×C4C4×Q812yes—
127C2×C4C23×C411yescharacteristic
128C2×C4C23×C411yescharacteristic
129C2×C4C23×C411yescharacteristic
130C2×C4C22×D411yescharacteristic
131C2×C4C22×Q811yescharacteristic
132C2×C4C2×#4111yescharacteristic
133C8—28no—
134C8C2×C4214yes—
135C8C2×C4214yes—
136C8C2×C4⋊C414yes—
137C8C2×C4⋊C414yes—
138C22—22no—
139C22—22no—
140C22—24no—
141C22—24no—
142C22C4×C4⋊C412yes—
143C22C4×C4⋊C412yes—
144C22#44314yes—
145C22C2×#11711yescharacteristic
146C22C2×C4×D411yescharacteristic
147C22C2×C4×Q811yescharacteristic
148C4—28no—
149C4—48no—
150C4C4×C4⋊C412yes—
151C4C4×C4⋊C412yes—
152C4C22×C4211yescharacteristic
153C4C22×C4⋊C411yescharacteristic
154C4C2×C4×D411yescharacteristic
155C4C2×C4×Q811yescharacteristic
156C2—21no—
157C2—21no—
158C2—22no—
159C2#177214yesdirect product factor
160C2C2×C4×C4⋊C411yescharacteristic
161C2C2×#44312yes—
subgroupG/H
centerC22×C8D4
commutatorC4C22×C42
Frattini, cosocleC22×C4C24
socleC23C4×D4
prime radicalC24#41
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C8 ◁ C23×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
5. #1772C2direct (N × H)
12. C2×#108C4semidirect
14. #427C4semidirect
16. C2×#107C4semidirect
17. C2×#106C4semidirect
22. C2×C4×C8C4semidirect
55. #108C2×C4semidirect
56. #107C2×C4semidirect
57. #106C2×C4semidirect
60. C4×C8C2×C4semidirect
159. C2#1772direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1082
C2×#4272
C2×#4052
C22×C4×C82
#17722
C2×#3392