Finite Group Databasebeta

← C2×#1663 #18989

Subgroups — C2×#1663 #18989

Order 256.

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

normal subgroups only

This group has 415 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×#564C211yesmaximal, characteristic
2C2×#501C212yesmaximal
3C2×#491C211yesmaximal, characteristic
4#1663C218yesmaximal, direct product factor
5C2×#330C211yesmaximal, characteristic
6C2×#330C212yesmaximal
7#564—22no—
8#564—24no—
9#564C2214yes—
10C2×C4⋊Q8C2211yescharacteristic
11C2×#125—22no—
12C2×#125—22no—
13C2×#125—22no—
14C2×#125C2211yescharacteristic
15C2×#125C2212yes—
16#501—24no—
17#501C2218yes—
18#491—22no—
19#491C2214yes—
20C2×#107—22no—
21C2×#106—22no—
22C2×#103—22no—
23C2×#97C2211yescharacteristic
24C2×#97C2212yes—
25#330C2218yes—
26#330C2214yes—
27C22×Q8—21no—
28C22×C8—22no—
29C22×C8—21no—
30C4⋊Q8—22no—
31C4⋊Q8—21no—
32C4⋊Q8C2312yes—
33#125—28no—
34#125—28no—
35#125—28no—
36#125—28no—
37#125—28no—
38#125—28no—
39#125—22no—
40#125—22no—
41#125—22no—
42#125D412yes—
43#125D414yes—
44#125C2312yes—
45#125C2314yes—
46C2×C4⋊C4—22no—
47C2×C4⋊C4—22no—
48C2×C4⋊C4—22no—
49C2×C4⋊C4—22no—
50C2×C4⋊C4—22no—
51C2×C4⋊C4—22no—
52C2×C4⋊C4—22no—
53C2×C4⋊C4D412yes—
54C2×C4⋊C4D412yes—
55C2×C4⋊C4D412yes—
56C2×C42—22no—
57C2×C42C2311yescharacteristic
58#107—28no—
59#106—28no—
60#103—28no—
61#97—21no—
62#97—22no—
63#97C2312yes—
64#97C2314yes—
65C2×Q8—22no—
66C2×Q8—44no—
67C2×Q8—41no—
68C22×C4—22no—
69C22×C4—22no—
70C22×C4—22no—
71C22×C4—41no—
72C22×C4C2×D412yes—
73C22×C4C2×D411yescharacteristic
74C2×C8—28no—
75C2×C8—24no—
76C2×C8—22no—
77C2×C8—42no—
78C4⋊C4—28no—
79C4⋊C4—28no—
80C4⋊C4—28no—
81C4⋊C4—24no—
82C4⋊C4—24no—
83C4⋊C4—24no—
84C4⋊C4—22no—
85C4⋊C4—22no—
86C4⋊C4—22no—
87C4⋊C4—24no—
88C4⋊C4—24no—
89C4⋊C4—24no—
90C4⋊C4—24no—
91C4⋊C4—42no—
92C4⋊C4C2×D414yes—
93C4⋊C4C2×D414yes—
94C4⋊C4C2×D414yes—
95C42—28no—
96C42C2×D411yescharacteristic
97C42C2×D412yes—
98C42C2411yescharacteristic
99C23#12011yescharacteristic
100Q8—44no—
101Q8—82no—
102C2×C4—22no—
103C2×C4—24no—
104C2×C4—24no—
105C2×C4—24no—
106C2×C4—24no—
107C2×C4—44no—
108C2×C4—44no—
109C2×C4—44no—
110C2×C4—42no—
111C2×C4—82no—
112C2×C4#12012yes—
113C2×C4#12011yescharacteristic
114C2×C4C22×D412yes—
115C2×C4C22×D411yescharacteristic
116C8—28no—
117C8—42no—
118C22#45412yes—
119C22#45614yes—
120C22C2×#12011yescharacteristic
121C4—21no—
122C4—21no—
123C4—22no—
124C4—22no—
125C4—44no—
126C4—44no—
127C4—44no—
128C4—82no—
129C2#166314yesdirect product factor
130C2C2×#45411yescharacteristic
131C2C2×#45612yes—
subgroupG/H
center, socle, prime radicalC23#120
commutator, Frattini, cosocleC42C24
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
4. #1663C2direct (N × H)
129. C2#1663direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5642
C2×#5012
C2×#4912
#16632
C2×#3302