Finite Group Databasebeta

← C2×#1845 #20795

Subgroups — C2×#1845 #20795

Order 256.

679 conjugacy classes of subgroups; only the 431 normal subgroups are shown.

normal subgroups only

This group has 679 conjugacy classes of subgroups — too many to draw. Only its 431 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×#107C214yesmaximal
2C22×C4×C8C211yesmaximal, characteristic
3C2×#384C212yesmaximal
4#1845C218yesmaximal, direct product factor
5C23×C8C2212yes—
6C22×C4⋊C4—24no—
7C22×C4⋊C4C2214yes—
8C22×C42C2211yescharacteristic
9C2×#107—216no—
10C2×#107C22116yes—
11C2×C4×C8C418yescomplemented
12C2×C4×C8C2214yes—
13#384—24no—
14#384C2218yes—
15C23×C4—24no—
16C23×C4D412yes—
17C23×C4C2311yescharacteristic
18C22×C8C2×C418yes—
19C22×C8D418yes—
20C22×C8Q818yes—
21C22×C8C2314yes—
22C2×C4⋊C4—216no—
23C2×C4⋊C4—216no—
24C2×C4⋊C4—24no—
25C2×C4⋊C4—416no—
26C2×C4⋊C4C2318yes—
27C2×C42C2×C414yes—
28C2×C42D412yes—
29C2×C42Q814yes—
30C2×C42C2312yes—
31#107—232no—
32C4×C8C2×C4116yescomplemented
33C24C2×D411yescharacteristic
34C22×C4—28no—
35C22×C4—48no—
36C22×C4—416no—
37C22×C4C4⋊C418yes—
38C22×C4D818yes—
39C22×C4Q1618yes—
40C22×C4C22×C412yes—
41C22×C4C2×D411yescharacteristic
42C22×C4C2×D414yes—
43C22×C4C2×D414yes—
44C22×C4C2×Q814yes—
45C22×C4C2×Q812yes—
46C22×C4C2411yescharacteristic
47C2×C8C4⋊C4132yescomplemented
48C2×C8C22×C418yes—
49C2×C8C2×D418yes—
50C2×C8C2×Q818yes—
51C4⋊C4—216no—
52C4⋊C4—48no—
53C4⋊C4—432no—
54C42C4⋊C418yes—
55C42C22×C414yes—
56C42C2×Q814yes—
57C23C2×C4⋊C412yes—
58C23#12712yes—
59C23C4⋊Q812yes—
60C23C2×D814yes—
61C23C2×Q1614yes—
62C23C22×D411yescharacteristic
63C2×C4—48no—
64C2×C4—416no—
65C2×C4—816no—
66C2×C4#107132yescomplemented
67C2×C4C2×C4⋊C418yes—
68C2×C4C2×C4⋊C412yes—
69C2×C4C2×C4⋊C418yes—
70C2×C4#12712yes—
71C2×C4C4⋊Q818yes—
72C2×C4C4⋊Q812yes—
73C2×C4C2×D818yes—
74C2×C4C2×Q1618yes—
75C2×C4C23×C411yescharacteristic
76C2×C4C22×D412yes—
77C2×C4C22×Q812yes—
78C2×C4C22×Q811yescharacteristic
79C8C2×C4⋊C4116yescomplemented
80C22#38414yes—
81C22C2×#10718yes—
82C22#49314yes—
83C22#49414yes—
84C22#50018yes—
85C22C22×C4⋊C411yescharacteristic
86C22C2×#12711yescharacteristic
87C22C2×C4⋊Q811yescharacteristic
88C22C22×D812yes—
89C22C22×Q1612yes—
90C4—88no—
91C4#38414yes—
92C4C2×#107116yescomplemented
93C4C22×C4⋊C412yes—
94C4C2×C4⋊Q812yes—
95C2#184518yesdirect product factor
96C2C2×#38411yescharacteristic
97C2C22×#10712yes—
98C2C2×#49311yescharacteristic
99C2C2×#49411yescharacteristic
100C2C2×#50012yes—
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. #1845C2direct (N × H)
11. C2×C4×C8C4semidirect
32. C4×C8C2×C4semidirect
47. C2×C8C4⋊C4semidirect
66. C2×C4#107semidirect
79. C8C2×C4⋊C4semidirect
92. C4C2×#107semidirect
95. C2#1845direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1072
C22×C4×C82
C2×#3842
#18452