Finite Group Databasebeta

← C2×#1778 #20457

Subgroups — C2×#1778 #20457

Order 256.

523 conjugacy classes of subgroups; only the 351 normal subgroups are shown.

normal subgroups only

This group has 523 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
1C22×#108C212yesmaximal
2C2×C4×M16C212yesmaximal
3C22×#97C211yesmaximal, characteristic
4#1778C218yesmaximal, direct product factor
5C2×#341C212yesmaximal
6C22×M16C2214yes—
7C23×C8C2211yescharacteristic
8C23×C8C2211yescharacteristic
9C22×C42C2211yescharacteristic
10C2×#108C4116yescomplemented
11C2×#108C2218yes—
12C4×M16—24no—
13C4×M16C2218yes—
14C2×#97—22no—
15C2×#97C414yes—
16C2×#97C414yes—
17C2×#97C2214yes—
18C2×C4×C8—22no—
19#341C2218yes—
20C23×C4Q812yes—
21C23×C4C2311yescharacteristic
22C2×M16—24no—
23C2×M16—28no—
24C2×M16C2×C4116yes—
25C2×M16C2318yes—
26C22×C8—24no—
27C22×C8—24no—
28C22×C8C2×C412yes—
29C22×C8C2×C412yes—
30C22×C8C2×C412yes—
31C22×C8C2×C412yes—
32C22×C8C2×C418yes—
33C22×C8C2312yes—
34C22×C8C2312yes—
35C2×C42C2×C412yes—
36C2×C42C2×C412yes—
37C2×C42D412yes—
38C2×C42D412yes—
39C2×C42Q812yes—
40C2×C42C2312yes—
41#108C2×C4132yescomplemented
42#97—28no—
43#97C2×C4116yes—
44C4×C8—28no—
45C24C2×Q811yescharacteristic
46C22×C4—44no—
47C22×C4C4⋊C414yes—
48C22×C4C4⋊C414yes—
49C22×C4C22×C411yescharacteristic
50C22×C4C22×C411yescharacteristic
51C22×C4C22×C414yes—
52C22×C4C2×D411yescharacteristic
53C22×C4C2×D411yescharacteristic
54C22×C4C2×Q814yes—
55C22×C4C2×Q811yescharacteristic
56C22×C4#4114yes—
57C22×C4C2411yescharacteristic
58M16—216no—
59M16—28no—
60M16C22×C4116yes—
61C2×C8—24no—
62C2×C8—24no—
63C2×C8—216no—
64C2×C8—28no—
65C2×C8—24no—
66C2×C8C4218yes—
67C2×C8C4218yes—
68C2×C8C22×C414yes—
69C2×C8C22×C414yes—
70C2×C8C22×C418yes—
71C42C4⋊C414yes—
72C42C4⋊C414yes—
73C42C22×C414yes—
74C42C2×D414yes—
75C23—24no—
76C23C2×C4⋊C411yescharacteristic
77C23C2×C4⋊C411yescharacteristic
78C23C4×Q814yes—
79C23C22×Q811yescharacteristic
80C2×C4—28no—
81C2×C4—44no—
82C2×C4—44no—
83C2×C4C2×C4212yes—
84C2×C4C2×C4212yes—
85C2×C4C2×C4⋊C418yes—
86C2×C4C2×C4⋊C411yescharacteristic
87C2×C4C2×C4⋊C411yescharacteristic
88C2×C4#11712yes—
89C2×C4#11712yes—
90C2×C4C4×D414yes—
91C2×C4C4×D414yes—
92C2×C4C4×Q814yes—
93C2×C4C23×C411yescharacteristic
94C2×C4C23×C412yes—
95C2×C4C22×D411yescharacteristic
96C2×C4C2×#4112yes—
97C8—24no—
98C8—216no—
99C8C2×C4218yes—
100C22—22no—
101C22—22no—
102C22—28no—
103C22C4×C4⋊C412yes—
104C22C4×C4⋊C412yes—
105C22#43014yes—
106C22C22×C4⋊C411yescharacteristic
107C22C2×C4×Q812yes—
108C4—28no—
109C4C4×C4⋊C412yes—
110C4C4×C4⋊C412yes—
111C4C22×C4211yescharacteristic
112C4C2×#11711yescharacteristic
113C4C2×C4×D412yes—
114C2—22no—
115C2—22no—
116C2#177814yesdirect product factor
117C2C2×C4×C4⋊C411yescharacteristic
118C2C2×#43012yes—
subgroupG/H
centerC22×C4C2×D4
commutatorC4C22×C42
Frattini, cosocleC22×C4C24
socleC23C2×C4⋊C4
prime radicalC24C2×Q8
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
4. #1778C2direct (N × H)
10. C2×#108C4semidirect
41. #108C2×C4semidirect
116. C2#1778direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1082
C2×C4×M162
C22×#972
#17782
C2×#3412