Finite Group Databasebeta

← C2×#1991 #21317

Subgroups — C2×#1991 #21317

Order 256.

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

normal subgroups only

This group has 623 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×#382C211yesmaximal, characteristic
4#1991C218yesmaximal, direct product factor
5C2×#340C214yesmaximal
6C23×C8C2212yes—
7C2×#125—22no—
8C2×#125—24no—
9C2×#125C418yescomplemented
10C2×#125C2214yes—
11C22×C4⋊C4—22no—
12C22×C4⋊C4C2212yes—
13C22×C4⋊C4C2212yes—
14C22×C42C2211yescharacteristic
15C2×C4×C8—24no—
16C2×C4×C8C2214yes—
17#382—22no—
18#382C2214yes—
19C2×#95—22no—
20#340C22116yes—
21C23×C4—22no—
22C23×C4—22no—
23C23×C4D412yes—
24C23×C4C2311yescharacteristic
25C22×C8—24no—
26C22×C8—24no—
27C22×C8Q818yes—
28C22×C8C2314yes—
29#125—216no—
30#125—28no—
31#125C2×C4116yescomplemented
32C2×C4⋊C4—216no—
33C2×C4⋊C4—28no—
34C2×C4⋊C4—22no—
35C2×C4⋊C4—24no—
36C2×C4⋊C4—28no—
37C2×C4⋊C4—22no—
38C2×C4⋊C4C2×C418yes—
39C2×C4⋊C4C2314yes—
40C2×C4⋊C4C2314yes—
41C2×C42C2×C414yes—
42C2×C42D412yes—
43C2×C42D414yes—
44C2×C42C2312yes—
45C4×C8—28no—
46#95—28no—
47C24C2×D411yescharacteristic
48C22×C4—28no—
49C22×C4—28no—
50C22×C4—24no—
51C22×C4—24no—
52C22×C4—48no—
53C22×C4—44no—
54C22×C4—48no—
55C22×C4C22⋊C418yes—
56C22×C4C22×C412yes—
57C22×C4C2×D414yes—
58C22×C4C2×D411yescharacteristic
59C22×C4C2×D412yes—
60C22×C4C2×Q814yes—
61C22×C4#4114yes—
62C22×C4C2411yescharacteristic
63C2×C8—216no—
64C2×C8—24no—
65C2×C8—24no—
66C2×C8C2×Q818yes—
67C4⋊C4—232no—
68C4⋊C4—28no—
69C4⋊C4—24no—
70C4⋊C4—28no—
71C4⋊C4—44no—
72C4⋊C4C22×C418yes—
73C42C22⋊C418yes—
74C42C22×C414yes—
75C42C2×D414yes—
76C23C2×C22⋊C412yes—
77C23#12412yes—
78C23C4⋊Q812yes—
79C23#13518yes—
80C23C22×D411yescharacteristic
81C2×C4—28no—
82C2×C4—216no—
83C2×C4—28no—
84C2×C4—48no—
85C2×C4—416no—
86C2×C4—44no—
87C2×C4—48no—
88C2×C4—88no—
89C2×C4C2×C22⋊C418yes—
90C2×C4C2×C22⋊C412yes—
91C2×C4C4×Q818yes—
92C2×C4C22⋊Q818yes—
93C2×C4#12412yes—
94C2×C4C4⋊Q812yes—
95C2×C4C23×C411yescharacteristic
96C2×C4C22×D411yescharacteristic
97C2×C4C22×Q812yes—
98C2×C4C2×#4112yes—
99C8—28no—
100C22#39114yes—
101C22#41618yes—
102C22#48818yes—
103C22#49918yes—
104C22C22×C22⋊C411yescharacteristic
105C22C2×#12411yescharacteristic
106C22C2×C4⋊Q811yescharacteristic
107C22C2×#13514yes—
108C4—28no—
109C4—48no—
110C4—84no—
111C4#39114yes—
112C4C2×C4×Q812yes—
113C4C2×C22⋊Q812yes—
114C2#199118yesdirect product factor
115C2C2×#39111yescharacteristic
116C2C2×#41612yes—
117C2C2×#48812yes—
118C2C2×#49912yes—
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. #1991C2direct (N × H)
9. C2×#125C4semidirect
31. #125C2×C4semidirect
114. C2#1991direct (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×#3822
#19912
C2×#3402