Finite Group Databasebeta

← C2×#1807 #20656

Subgroups — C2×#1807 #20656

Order 256.

895 conjugacy classes of subgroups; only the 351 normal subgroups are shown.

normal subgroups only

This group has 895 conjugacy classes of subgroups — too many to draw. Only its 351 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
1C24×C8C211yesmaximal, characteristic
2C22×#106C212yesmaximal, complemented
3C2×#380C212yesmaximal
4#1807C218yesmaximal, direct product factor
5C2×#340C212yesmaximal, complemented
6C24×C4C2211yescharacteristic
7C23×C8—28no—
8C23×C8C418yescomplemented
9C23×C8C2211yescharacteristic
10C23×C8C2214yes—
11C23×C8C2211yescharacteristic
12C22×C4⋊C4C2214yes—
13C22×C22⋊C4—22no—
14C2×#106—28no—
15C2×#106C2218yescomplemented
16#380—24no—
17#380C2218yes—
18C2×#95—22no—
19#340C2218yescomplemented
20C25D411yescharacteristic
21C23×C4—24no—
22C23×C4—24no—
23C23×C4—24no—
24C23×C4C2×C414yes—
25C23×C4D412yes—
26C23×C4D411yescharacteristic
27C23×C4Q814yes—
28C23×C4C2312yes—
29C23×C4C2311yescharacteristic
30C22×C8—24no—
31C22×C8—232no—
32C22×C8—216no—
33C22×C8C2×C414yes—
34C22×C8C2×C414yes—
35C22×C8C2×C4116yescomplemented
36C22×C8D418yes—
37C22×C8C2312yes—
38C22×C8C2312yes—
39C2×C4⋊C4—28no—
40C2×C4⋊C4—28no—
41C2×C4⋊C4—24no—
42C2×C4⋊C4C2318yes—
43C2×C22⋊C4—28no—
44C2×C22⋊C4—48no—
45#106—216no—
46#95—28no—
47C24—24no—
48C24—24no—
49C24C4⋊C414yes—
50C24SD1618yes—
51C24C2×D412yes—
52C24C2×D411yescharacteristic
53C22×C4—24no—
54C22×C4—28no—
55C22×C4—28no—
56C22×C4—28no—
57C22×C4—216no—
58C22×C4—24no—
59C22×C4—24no—
60C22×C4—28no—
61C22×C4—48no—
62C22×C4—48no—
63C22×C4—48no—
64C22×C4C4⋊C414yes—
65C22×C4C4⋊C418yes—
66C22×C4C22×C414yes—
67C22×C4C22×C412yes—
68C22×C4C2×D412yes—
69C22×C4C2×D414yes—
70C22×C4C2×D411yescharacteristic
71C22×C4C2×Q814yes—
72C22×C4C2×Q812yes—
73C22×C4#4114yes—
74C22×C4C2411yescharacteristic
75C2×C8—28no—
76C2×C8—24no—
77C2×C8—232no—
78C2×C8C22⋊C4116yescomplemented
79C2×C8C22×C414yes—
80C2×C8C22×C414yes—
81C2×C8C2×D418yes—
82C4⋊C4—28no—
83C4⋊C4—28no—
84C4⋊C4—48no—
85C22⋊C4—416no—
86C23—24no—
87C23—24no—
88C23—28no—
89C23—28no—
90C23—232no—
91C23#106116yescomplemented
92C23C2×C4⋊C414yes—
93C23C2×C4⋊C412yes—
94C23#12114yes—
95C23C2×SD1618yes—
96C23C2×SD1614yes—
97C23#13514yes—
98C23C22×D411yescharacteristic
99C2×C4—24no—
100C2×C4—28no—
101C2×C4—24no—
102C2×C4—24no—
103C2×C4—28no—
104C2×C4—216no—
105C2×C4—48no—
106C2×C4—48no—
107C2×C4—48no—
108C2×C4—816no—
109C2×C4C2×C22⋊C414yes—
110C2×C4C2×C4⋊C414yes—
111C2×C4C2×C4⋊C412yes—
112C2×C4#11714yes—
113C2×C4#12114yes—
114C2×C4C22⋊Q818yes—
115C2×C4C23×C411yescharacteristic
116C2×C4C22×D412yes—
117C2×C4C22×Q811yescharacteristic
118C2×C4C2×#4112yes—
119C8—24no—
120C8C2×C22⋊C418yescomplemented
121C22—232no—
122C22—24no—
123C22—24no—
124C22—216no—
125C22#38014yes—
126C22C2×#10614yes—
127C22C2×#10618yescomplemented
128C22#42714yes—
129C22#465116yes—
130C22C22×C4⋊C411yescharacteristic
131C22C2×#12112yes—
132C22C22×SD1612yes—
133C22C2×#13512yes—
134C4—24no—
135C4—88no—
136C4#38014yes—
137C4C22×C22⋊C411yescharacteristic
138C4C2×#11711yescharacteristic
139C4C2×C22⋊Q812yes—
140C2—28no—
141C2#180718yesdirect product factor
142C2C2×#38011yescharacteristic
143C2C22×#10611yescharacteristic
144C2C2×#42711yescharacteristic
145C2C2×#46514yes—
subgroupG/H
center, socleC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC25D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C22×#106C2semidirect
4. #1807C2direct (N × H)
5. C2×#340C2semidirect
8. C23×C8C4semidirect
15. C2×#106C22semidirect
19. #340C22semidirect
35. C22×C8C2×C4semidirect
78. C2×C8C22⋊C4semidirect
91. C23#106semidirect
120. C8C2×C22⋊C4semidirect
127. C22C2×#106semidirect
141. C2#1807direct (N × H)

Maximal subgroups

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

subgroupindex
C24×C82
C22×#1062
C2×#3802
#18072
C2×#3402