Finite Group Databasebeta

← C2×#1662 #18985

Subgroups — C2×#1662 #18985

Order 256.

479 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 479 conjugacy classes of subgroups — too many to draw. Only its 119 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
1C2×#562C211yesmaximal, characteristic
2C2×#491C211yesmaximal, characteristic, complemented
3C2×#489C212yesmaximal, complemented
4#1662C218yesmaximal, direct product factor
5C2×#330C211yesmaximal, characteristic, complemented
6C2×#329C212yesmaximal, complemented
7#562—22no—
8#562—24no—
9#562C2214yes—
10C2×C4⋊Q8C2211yescharacteristic
11C2×#125C2211yescharacteristic
12C2×#124C2212yes—
13C2×#123—22no—
14C2×C22⋊Q8—22no—
15C2×#121—22no—
16#491—22no—
17#491C2214yescomplemented
18#489—24no—
19#489C2218yescomplemented
20C2×#103—22no—
21C2×#103—22no—
22C2×#102—22no—
23C2×#97C2212yes—
24C2×#97C2211yescharacteristic
25#330C2214yescomplemented
26#329C2218yescomplemented
27C22×Q8—21no—
28C22×Q8D412yes—
29C22×D4—22no—
30C22×D4D412yes—
31C23×C4—22no—
32C22×C8—22no—
33C22×C8—21no—
34C4⋊Q8—22no—
35C4⋊Q8—21no—
36C4⋊Q8C2312yes—
37#125—22no—
38#125D412yes—
39#125C2312yes—
40#124—22no—
41#124—22no—
42#124D414yes—
43#124C2314yes—
44#123—28no—
45#123—28no—
46C22⋊Q8—28no—
47C22⋊Q8—28no—
48#121—28no—
49#121—28no—
50C2×C4⋊C4—22no—
51C2×C4⋊C4—22no—
52C2×C4⋊C4—22no—
53C2×C4⋊C4D412yes—
54C2×C22⋊C4—22no—
55C2×C22⋊C4—22no—
56C2×C22⋊C4—22no—
57C2×C42C2311yescharacteristic
58#103—28no—
59#103—28no—
60#102—28no—
61#97—22no—
62#97—21no—
63#97C2312yes—
64#97C2314yes—
65C24—22no—
66C2×Q8—22no—
67C2×Q8—22no—
68C2×Q8—44no—
69C2×Q8—44no—
70C2×Q8—41no—
71C2×Q8C2×D414yes—
72C2×D4—28no—
73C2×D4—22no—
74C2×D4—44no—
75C2×D4—84no—
76C2×D4C2×D414yes—
77C22×C4—22no—
78C22×C4—22no—
79C22×C4—28no—
80C22×C4—41no—
81C22×C4—84no—
82C22×C4C2×D411yescharacteristic
83C22×C4C2×D412yes—
84C2×C8—24no—
85C2×C8—22no—
86C2×C8—42no—
87C2×C8—44no—
88C4⋊C4—28no—
89C4⋊C4—24no—
90C4⋊C4—22no—
91C4⋊C4—24no—
92C4⋊C4—24no—
93C4⋊C4—42no—
94C4⋊C4C2×D414yes—
95C22⋊C4—28no—
96C22⋊C4—24no—
97C22⋊C4—24no—
98C22⋊C4—24no—
99C22⋊C4—24no—
100C42C2×D411yescharacteristic
101C42C2×D412yes—
102C42C2411yescharacteristic
103C23—24no—
104C23—44no—
105C23—44no—
106C23—44no—
107C23#12011yescharacteristic
108Q8—44no—
109Q8—44no—
110Q8—82no—
111Q8—82no—
112D4—44no—
113D4—82no—
114D4—88no—
115C2×C4—22no—
116C2×C4—24no—
117C2×C4—24no—
118C2×C4—24no—
119C2×C4—44no—
120C2×C4—44no—
121C2×C4—42no—
122C2×C4—88no—
123C2×C4—82no—
124C2×C4#12011yescharacteristic
125C2×C4#12012yes—
126C2×C4C22×D411yescharacteristic
127C2×C4C22×D412yes—
128C8—44no—
129C8—42no—
130C22—44no—
131C22—44no—
132C22—44no—
133C22—88no—
134C22#45412yes—
135C22#45514yes—
136C22C2×#12011yescharacteristic
137C4—22no—
138C4—22no—
139C4—21no—
140C4—21no—
141C4—44no—
142C4—44no—
143C4—82no—
144C2—84no—
145C2#166214yesdirect product factor
146C2C2×#45512yes—
147C2C2×#45411yescharacteristic
subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC42C24
prime radicalC2×#562C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#491C2semidirect
3. C2×#489C2semidirect
4. #1662C2direct (N × H)
5. C2×#330C2semidirect
6. C2×#329C2semidirect
17. #491C22semidirect
19. #489C22semidirect
25. #330C22semidirect
26. #329C22semidirect
145. C2#1662direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5622
C2×#4912
C2×#4892
#16622
C2×#3302
C2×#3292