Finite Group Databasebeta

← C2×#1555 #17728

Subgroups — C2×#1555 #17728

Order 256.

935 conjugacy classes of subgroups; only the 207 normal subgroups are shown.

normal subgroups only

This group has 935 conjugacy classes of subgroups — too many to draw. Only its 207 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×#127C211yesmaximal, characteristic
2C2×#432C212yesmaximal, complemented
3#1555C218yesmaximal, direct product factor
4C2×#331C214yesmaximal, complemented
5C23×D4—22no—
6C23×D4C412yes—
7C2×#127—22no—
8C2×#127—24no—
9C2×#127C414yes—
10C2×#127C412yes—
11C2×#127C2212yes—
12C2×#127C2214yes—
13C22×C42C2211yescharacteristic
14#432—24no—
15#432C2218yescomplemented
16C2×C4⋊C8C2214yescomplemented
17C2×C22⋊C8—22no—
18C2×#97—22no—
19#331C22116yescomplemented
20C25—22no—
21C22×D4—24no—
22C22×D4—22no—
23C22×D4—28no—
24C22×D4—24no—
25C22×D4—28no—
26C22×D4—24no—
27C22×D4—48no—
28C22×D4—416no—
29C22×D4C2×C418yes—
30C22×D4C2×C414yes—
31C23×C4C2×C411yescharacteristic
32C23×C4D412yes—
33C22×C8—24no—
34#127—24no—
35#127—28no—
36#127—28no—
37#127—24no—
38#127C2×C414yes—
39#127C2×C418yes—
40#127C2314yes—
41C2×C42C2×C412yes—
42C2×C42C2×C411yescharacteristic
43C2×C42D412yes—
44C2×C42D414yes—
45C2×C42C2311yescharacteristic
46C2×C42C2312yes—
47C4⋊C8—24no—
48C4⋊C8C2318yescomplemented
49C22⋊C8—28no—
50#97—28no—
51C24—28no—
52C24—24no—
53C24—416no—
54C24—48no—
55C24C22⋊C411yescharacteristic
56C2×D4—28no—
57C2×D4—24no—
58C2×D4—216no—
59C2×D4—28no—
60C2×D4—28no—
61C2×D4—416no—
62C2×D4—48no—
63C2×D4—416no—
64C2×D4—48no—
65C2×D4—416no—
66C2×D4—432no—
67C2×D4—432no—
68C2×D4—416no—
69C2×D4C22×C418yes—
70C22×C4—24no—
71C22×C4—28no—
72C22×C4C22⋊C414yes—
73C22×C4C22⋊C412yes—
74C22×C4C22⋊C412yes—
75C22×C4C22⋊C411yescharacteristic
76C22×C4C22×C412yes—
77C22×C4C22×C411yescharacteristic
78C22×C4C2×D414yes—
79C22×C4C2×D412yes—
80C2×C8—28no—
81C2×C8—48no—
82C42C22⋊C412yes—
83C42C22⋊C414yes—
84C42C22×C412yes—
85C42C22×C411yescharacteristic
86C42C2×D414yes—
87C42C2×D412yes—
88C42C2411yescharacteristic
89C23—24no—
90C23—28no—
91C23—432no—
92C23—416no—
93C23—48no—
94C23—416no—
95C23—832no—
96C23#10014yes—
97C23C2×C22⋊C412yes—
98C23C2×C22⋊C411yescharacteristic
99D4—48no—
100D4—48no—
101D4—416no—
102D4—432no—
103D4—416no—
104D4—416no—
105C2×C4—24no—
106C2×C4—22no—
107C2×C4—24no—
108C2×C4—22no—
109C2×C4—24no—
110C2×C4—28no—
111C2×C4—28no—
112C2×C4C2×C22⋊C414yes—
113C2×C4C2×C22⋊C412yes—
114C2×C4C2×C22⋊C411yescharacteristic
115C2×C4C2×C22⋊C412yes—
116C2×C4AGL(1,ℤ/8)18yes—
117C2×C4C23×C411yescharacteristic
118C2×C4C22×D412yes—
119C8—48no—
120C22—28no—
121C22—24no—
122C22—48no—
123C22—416no—
124C22—832no—
125C22—816no—
126C22C2×#10014yes—
127C22C2×#10012yes—
128C22#41814yes—
129C22C22×C22⋊C411yescharacteristic
130C4—21no—
131C4—22no—
132C4—21no—
133C4—24no—
134C4#41814yes—
135C4C2×AGL(1,ℤ/8)14yes—
136C2—24no—
137C2—88no—
138C2#155514yesdirect product factor
139C2C22×#10011yescharacteristic
140C2C2×#41812yes—
subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
prime radicalC22×#127C2
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#432C2semidirect
3. #1555C2direct (N × H)
4. C2×#331C2semidirect
15. #432C22semidirect
16. C2×C4⋊C8C22semidirect
19. #331C22semidirect
48. C4⋊C8C23semidirect
138. C2#1555direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1272
C2×#4322
#15552
C2×#3312