Finite Group Databasebeta

← C2×#1988 #21309

Subgroups — C2×#1988 #21309

Order 256.

755 conjugacy classes of subgroups; only the 327 normal subgroups are shown.

normal subgroups only

This group has 755 conjugacy classes of subgroups — too many to draw. Only its 327 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×C4⋊Q8C211yesmaximal, characteristic
2C22×C4⋊C8C211yesmaximal, characteristic
3C2×C4×C4⋊C4C211yesmaximal, characteristic
4#1988C218yesmaximal, direct product factor
5C2×#340C214yesmaximal
6C23×Q8—21no—
7C23×C8C2212yes—
8C2×C4⋊Q8—22no—
9C2×C4⋊Q8—24no—
10C2×C4⋊Q8C418yescomplemented
11C2×C4⋊Q8C2214yes—
12C22×C4⋊C4—21no—
13C22×C4⋊C4C2212yes—
14C22×C4⋊C4C2212yes—
15C22×C42—21no—
16C22×C42C2211yescharacteristic
17C2×C4⋊C8—24no—
18C2×C4⋊C8C2214yes—
19C4×C4⋊C4—22no—
20C4×C4⋊C4C2214yes—
21C2×#95—21no—
22#340C22116yes—
23C22×Q8—28no—
24C22×Q8—24no—
25C22×Q8—44no—
26C22×Q8—44no—
27C23×C4—22no—
28C23×C4—22no—
29C23×C4D411yescharacteristic
30C23×C4D411yescharacteristic
31C23×C4C2311yescharacteristic
32C22×C8—24no—
33C22×C8—28no—
34C22×C8C2314yes—
35C4⋊Q8—216no—
36C4⋊Q8—28no—
37C4⋊Q8C2×C4116yescomplemented
38C2×C4⋊C4—28no—
39C2×C4⋊C4—24no—
40C2×C4⋊C4—22no—
41C2×C4⋊C4—24no—
42C2×C4⋊C4—22no—
43C2×C4⋊C4—24no—
44C2×C4⋊C4C2×C418yes—
45C2×C4⋊C4Q818yescomplemented
46C2×C4⋊C4C2314yes—
47C2×C4⋊C4C2314yes—
48C2×C42—24no—
49C2×C42—44no—
50C2×C42C2×C414yes—
51C2×C42D412yes—
52C2×C42D414yes—
53C2×C42C2312yes—
54C4⋊C8—28no—
55#95—24no—
56C24C2×D411yescharacteristic
57C2×Q8—216no—
58C2×Q8—432no—
59C2×Q8—48no—
60C2×Q8—48no—
61C22×C4—24no—
62C22×C4—28no—
63C22×C4—28no—
64C22×C4—24no—
65C22×C4—24no—
66C22×C4—44no—
67C22×C4—44no—
68C22×C4—44no—
69C22×C4—44no—
70C22×C4C22⋊C414yes—
71C22×C4C22⋊C414yes—
72C22×C4D814yes—
73C22×C4SD1614yes—
74C22×C4C22×C412yes—
75C22×C4C2×D412yes—
76C22×C4C2×D411yescharacteristic
77C22×C4C2×D412yes—
78C22×C4C2×D412yes—
79C22×C4C2×Q814yes—
80C22×C4#4114yes—
81C22×C4C2411yescharacteristic
82C2×C8—24no—
83C2×C8—28no—
84C2×C8—48no—
85C4⋊C4—216no—
86C4⋊C4—28no—
87C4⋊C4—28no—
88C4⋊C4—24no—
89C4⋊C4—24no—
90C4⋊C4C22×C418yes—
91C4⋊C4C2×Q818yescomplemented
92C42—48no—
93C42C22⋊C418yes—
94C42C22×C414yes—
95C42C2×D414yes—
96C23C2×C22⋊C412yes—
97C23C22⋊Q814yes—
98C23C2×D812yes—
99C23C2×SD1612yes—
100C23#13714yes—
101C23C22×D411yescharacteristic
102Q8—432no—
103C2×C4—24no—
104C2×C4—28no—
105C2×C4—28no—
106C2×C4—28no—
107C2×C4—44no—
108C2×C4—44no—
109C2×C4—44no—
110C2×C4—44no—
111C2×C4—416no—
112C2×C4—416no—
113C2×C4#102116yes—
114C2×C4C2×C22⋊C414yes—
115C2×C4C2×C22⋊C412yes—
116C2×C4C2×C22⋊C414yes—
117C2×C4C4×Q818yes—
118C2×C4C22⋊Q814yes—
119C2×C4#12414yes—
120C2×C4C4⋊Q814yes—
121C2×C4C2×D814yes—
122C2×C4C2×SD1614yes—
123C2×C4C23×C411yescharacteristic
124C2×C4C22×D411yescharacteristic
125C2×C4C22×Q812yes—
126C2×C4C2×#4112yes—
127C8—44no—
128C22#39114yes—
129C22C2×#10214yes—
130C22#41914yes—
131C22#47418yes—
132C22#47518yes—
133C22C22×C22⋊C411yescharacteristic
134C22C2×C22⋊Q812yes—
135C22C22×D811yescharacteristic
136C22C22×SD1611yescharacteristic
137C22C2×#13712yes—
138C4—24no—
139C4—48no—
140C4—48no—
141C4#39114yes—
142C4C2×#10218yes—
143C4C2×C4×Q812yes—
144C4C2×#12411yescharacteristic
145C4C2×C4⋊Q811yescharacteristic
146C2#198818yesdirect product factor
147C2C2×#39111yescharacteristic
148C2C22×#10211yescharacteristic
149C2C2×#41911yescharacteristic
150C2C2×#47412yes—
151C2C2×#47512yes—
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. #1988C2direct (N × H)
10. C2×C4⋊Q8C4semidirect
37. C4⋊Q8C2×C4semidirect
45. C2×C4⋊C4Q8semidirect
91. C4⋊C4C2×Q8semidirect
146. C2#1988direct (N × H)

Maximal subgroups

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

subgroupindex
C22×C4⋊Q82
C22×C4⋊C82
C2×C4×C4⋊C42
#19882
C2×#3402