Finite Group Databasebeta

← C2×#1808 #20657

Subgroups — C2×#1808 #20657

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×#107C212yesmaximal, complemented
3C2×#380C212yesmaximal
4#1808C218yesmaximal, 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×#107—28no—
15C2×#107C2218yescomplemented
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#107—216no—
46#95—28no—
47C24—24no—
48C24—24no—
49C24C4⋊C414yes—
50C24D814yes—
51C24Q1614yes—
52C24C2×D412yes—
53C24C2×D411yescharacteristic
54C22×C4—24no—
55C22×C4—28no—
56C22×C4—28no—
57C22×C4—28no—
58C22×C4—216no—
59C22×C4—24no—
60C22×C4—24no—
61C22×C4—28no—
62C22×C4—48no—
63C22×C4—48no—
64C22×C4—48no—
65C22×C4C4⋊C414yes—
66C22×C4C4⋊C418yes—
67C22×C4C22×C414yes—
68C22×C4C22×C412yes—
69C22×C4C2×D412yes—
70C22×C4C2×D414yes—
71C22×C4C2×D411yescharacteristic
72C22×C4C2×Q814yes—
73C22×C4C2×Q812yes—
74C22×C4#4114yes—
75C22×C4C2411yescharacteristic
76C2×C8—28no—
77C2×C8—24no—
78C2×C8—232no—
79C2×C8C22⋊C4116yescomplemented
80C2×C8C22×C414yes—
81C2×C8C22×C414yes—
82C2×C8C2×D418yes—
83C4⋊C4—28no—
84C4⋊C4—28no—
85C4⋊C4—48no—
86C22⋊C4—416no—
87C23—24no—
88C23—24no—
89C23—28no—
90C23—28no—
91C23—216no—
92C23—216no—
93C23#107116yescomplemented
94C23C2×C4⋊C414yes—
95C23C2×C4⋊C412yes—
96C23#12114yes—
97C23C2×D814yes—
98C23C2×D812yes—
99C23C2×Q1614yes—
100C23C2×Q1612yes—
101C23#13514yes—
102C23C22×D411yescharacteristic
103C2×C4—24no—
104C2×C4—28no—
105C2×C4—24no—
106C2×C4—24no—
107C2×C4—28no—
108C2×C4—216no—
109C2×C4—48no—
110C2×C4—48no—
111C2×C4—48no—
112C2×C4—816no—
113C2×C4C2×C22⋊C414yes—
114C2×C4C2×C4⋊C414yes—
115C2×C4C2×C4⋊C412yes—
116C2×C4#11714yes—
117C2×C4#12114yes—
118C2×C4C22⋊Q818yes—
119C2×C4C23×C411yescharacteristic
120C2×C4C22×D412yes—
121C2×C4C22×Q811yescharacteristic
122C2×C4C2×#4112yes—
123C8—24no—
124C8C2×C22⋊C418yescomplemented
125C22—232no—
126C22—24no—
127C22—24no—
128C22—28no—
129C22—28no—
130C22#38014yes—
131C22C2×#10714yes—
132C22C2×#10718yescomplemented
133C22#42714yes—
134C22#46618yes—
135C22#46718yes—
136C22C22×C4⋊C411yescharacteristic
137C22C2×#12112yes—
138C22C22×D811yescharacteristic
139C22C22×Q1611yescharacteristic
140C22C2×#13512yes—
141C4—24no—
142C4—88no—
143C4#38014yes—
144C4C22×C22⋊C411yescharacteristic
145C4C2×#11711yescharacteristic
146C4C2×C22⋊Q812yes—
147C2—28no—
148C2#180818yesdirect product factor
149C2C2×#38011yescharacteristic
150C2C22×#10711yescharacteristic
151C2C2×#42711yescharacteristic
152C2C2×#46612yes—
153C2C2×#46712yes—
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×#107C2semidirect
4. #1808C2direct (N × H)
5. C2×#340C2semidirect
8. C23×C8C4semidirect
15. C2×#107C22semidirect
19. #340C22semidirect
35. C22×C8C2×C4semidirect
79. C2×C8C22⋊C4semidirect
93. C23#107semidirect
124. C8C2×C22⋊C4semidirect
132. C22C2×#107semidirect
148. C2#1808direct (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×#1072
C2×#3802
#18082
C2×#3402