Finite Group Databasebeta

← C2×#1989 #21310

Subgroups — C2×#1989 #21310

Order 256.

647 conjugacy classes of subgroups; only the 287 normal subgroups are shown.

normal subgroups only

This group has 647 conjugacy classes of subgroups — too many to draw. Only its 287 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
1C22×#125C211yesmaximal, characteristic
2C22×C4⋊C8C211yesmaximal, characteristic
3C2×C4×C4⋊C4C211yesmaximal, characteristic
4#1989C218yesmaximal, direct product factor
5C2×#340C212yesmaximal
6C2×#340C212yesmaximal
7C23×C8C2212yes—
8C2×#125—22no—
9C2×#125—24no—
10C2×#125C418yescomplemented
11C2×#125C2214yes—
12C22×C4⋊C4—21no—
13C22×C4⋊C4—21no—
14C22×C4⋊C4C2211yescharacteristic
15C22×C4⋊C4C2211yescharacteristic
16C22×C4⋊C4C2212yes—
17C22×C42—21no—
18C22×C42C2211yescharacteristic
19C2×C4⋊C8—24no—
20C2×C4⋊C8C2214yes—
21C4×C4⋊C4—22no—
22C4×C4⋊C4C2214yes—
23C2×#95—21no—
24#340C2218yes—
25#340C2218yes—
26C23×C4—21no—
27C23×C4—21no—
28C23×C4—22no—
29C23×C4D411yescharacteristic
30C23×C4D411yescharacteristic
31C23×C4C2311yescharacteristic
32C22×C8—24no—
33C22×C8—28no—
34C22×C8C2314yes—
35#125—216no—
36#125—28no—
37#125C2×C4116yescomplemented
38C2×C4⋊C4—28no—
39C2×C4⋊C4—28no—
40C2×C4⋊C4—24no—
41C2×C4⋊C4—24no—
42C2×C4⋊C4—21no—
43C2×C4⋊C4—21no—
44C2×C4⋊C4—22no—
45C2×C4⋊C4—22no—
46C2×C4⋊C4—22no—
47C2×C4⋊C4—24no—
48C2×C4⋊C4C2×C414yes—
49C2×C4⋊C4C2×C414yes—
50C2×C4⋊C4Q818yes—
51C2×C4⋊C4C2312yes—
52C2×C4⋊C4C2312yes—
53C2×C4⋊C4C2314yes—
54C2×C42—24no—
55C2×C42—44no—
56C2×C42C2×C414yes—
57C2×C42D412yes—
58C2×C42D414yes—
59C2×C42C2312yes—
60C4⋊C8—28no—
61#95—24no—
62C24C2×D411yescharacteristic
63C22×C4—24no—
64C22×C4—22no—
65C22×C4—22no—
66C22×C4—24no—
67C22×C4—24no—
68C22×C4—28no—
69C22×C4—24no—
70C22×C4—22no—
71C22×C4—22no—
72C22×C4—44no—
73C22×C4—44no—
74C22×C4—44no—
75C22×C4—42no—
76C22×C4—42no—
77C22×C4C22⋊C414yes—
78C22×C4C22⋊C414yes—
79C22×C4C22×C412yes—
80C22×C4C2×D412yes—
81C22×C4C2×D412yes—
82C22×C4C2×D411yescharacteristic
83C22×C4C2×D412yes—
84C22×C4C2×Q814yes—
85C22×C4#4114yes—
86C22×C4C2411yescharacteristic
87C2×C8—24no—
88C2×C8—28no—
89C2×C8—48no—
90C4⋊C4—216no—
91C4⋊C4—216no—
92C4⋊C4—24no—
93C4⋊C4—24no—
94C4⋊C4—28no—
95C4⋊C4—22no—
96C4⋊C4—22no—
97C4⋊C4—24no—
98C4⋊C4C22×C414yes—
99C4⋊C4C22×C414yes—
100C4⋊C4C2×Q818yes—
101C42—48no—
102C42C22⋊C418yes—
103C42C22×C414yes—
104C42C2×D414yes—
105C23C2×C22⋊C412yes—
106C23C22⋊Q814yes—
107C23#13514yes—
108C23AGL(1,ℤ/8)12yes—
109C23#13712yes—
110C23C22×D411yescharacteristic
111C2×C4—24no—
112C2×C4—22no—
113C2×C4—22no—
114C2×C4—28no—
115C2×C4—28no—
116C2×C4—24no—
117C2×C4—24no—
118C2×C4—28no—
119C2×C4—44no—
120C2×C4—44no—
121C2×C4—44no—
122C2×C4—42no—
123C2×C4—42no—
124C2×C4—48no—
125C2×C4—48no—
126C2×C4—416no—
127C2×C4C2×C22⋊C414yes—
128C2×C4C2×C22⋊C414yes—
129C2×C4C2×C22⋊C412yes—
130C2×C4C4×Q818yes—
131C2×C4C22⋊Q814yes—
132C2×C4#12414yes—
133C2×C4C4⋊Q814yes—
134C2×C4C23×C411yescharacteristic
135C2×C4C22×D411yescharacteristic
136C2×C4C22×Q812yes—
137C2×C4C2×#4112yes—
138C8—44no—
139C22#39114yes—
140C22#41614yes—
141C22#41714yes—
142C22#47818yes—
143C22#47918yes—
144C22C22×C22⋊C411yescharacteristic
145C22C2×C22⋊Q812yes—
146C22C2×#13512yes—
147C22C2×AGL(1,ℤ/8)11yescharacteristic
148C22C2×#13711yescharacteristic
149C4—24no—
150C4—24no—
151C4—48no—
152C4—44no—
153C4—44no—
154C4#39114yes—
155C4C2×C4×Q812yes—
156C4C2×#12411yescharacteristic
157C4C2×C4⋊Q811yescharacteristic
158C2#198918yesdirect product factor
159C2C2×#39111yescharacteristic
160C2C2×#41611yescharacteristic
161C2C2×#41711yescharacteristic
162C2C2×#47812yes—
163C2C2×#47912yes—
subgroupG/H
center, socle, prime radicalC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
4. #1989C2direct (N × H)
10. C2×#125C4semidirect
37. #125C2×C4semidirect
158. C2#1989direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1252
C22×C4⋊C82
C2×C4×C4⋊C42
#19892
C2×#3402