Finite Group Databasebeta

← C2×#1992 #21319

Subgroups — C2×#1992 #21319

Order 256.

647 conjugacy classes of subgroups; only the 287 normal subgroups are shown.

normal subgroups only

This group has 647 conjugacy classes of subgroups — too many to draw. Only its 287 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×#125C211yesmaximal, characteristic
2C22×#97C211yesmaximal, characteristic
3C2×#384C211yesmaximal, characteristic
4#1992C218yesmaximal, direct product factor
5C2×#340C214yesmaximal
6C23×C8C2212yes—
7C2×#125—22no—
8C2×#125—24no—
9C2×#125C418yescomplemented
10C2×#125C2214yes—
11C22×C4⋊C4—22no—
12C22×C4⋊C4—22no—
13C22×C4⋊C4C2212yes—
14C22×C4⋊C4C2212yes—
15C22×C42C2211yescharacteristic
16C2×#97—24no—
17C2×#97C2214yes—
18#384—22no—
19#384C2214yes—
20#340C22116yes—
21C23×C4—22no—
22C23×C4—22no—
23C23×C4D412yes—
24C23×C4C2311yescharacteristic
25C22×C8—24no—
26C22×C8—24no—
27C22×C8Q818yes—
28C22×C8C2314yes—
29#125—216no—
30#125—28no—
31#125C2×C4116yescomplemented
32C2×C4⋊C4—216no—
33C2×C4⋊C4—28no—
34C2×C4⋊C4—22no—
35C2×C4⋊C4—24no—
36C2×C4⋊C4—28no—
37C2×C4⋊C4—28no—
38C2×C4⋊C4—22no—
39C2×C4⋊C4—48no—
40C2×C4⋊C4C2×C418yes—
41C2×C4⋊C4C2314yes—
42C2×C4⋊C4C2314yes—
43C2×C42C2×C414yes—
44C2×C42D412yes—
45C2×C42D414yes—
46C2×C42C2312yes—
47#97—28no—
48C24C2×D411yescharacteristic
49C22×C4—24no—
50C22×C4—24no—
51C22×C4—28no—
52C22×C4—24no—
53C22×C4—24no—
54C22×C4—44no—
55C22×C4—44no—
56C22×C4—44no—
57C22×C4—48no—
58C22×C4C22⋊C418yes—
59C22×C4C22×C412yes—
60C22×C4C2×D414yes—
61C22×C4C2×D411yescharacteristic
62C22×C4C2×D412yes—
63C22×C4C2×Q814yes—
64C22×C4#4114yes—
65C22×C4C2411yescharacteristic
66C2×C8—216no—
67C2×C8—24no—
68C2×C8—24no—
69C2×C8C2×Q818yes—
70C4⋊C4—232no—
71C4⋊C4—28no—
72C4⋊C4—24no—
73C4⋊C4—28no—
74C4⋊C4—416no—
75C4⋊C4—44no—
76C4⋊C4C22×C418yes—
77C42C22⋊C418yes—
78C42C22×C414yes—
79C42C2×D414yes—
80C23C2×C22⋊C412yes—
81C23#12412yes—
82C23C4⋊Q812yes—
83C23AGL(1,ℤ/8)14yes—
84C23#13714yes—
85C23C22×D411yescharacteristic
86C2×C4—24no—
87C2×C4—24no—
88C2×C4—216no—
89C2×C4—28no—
90C2×C4—44no—
91C2×C4—44no—
92C2×C4—416no—
93C2×C4—44no—
94C2×C4—48no—
95C2×C4—88no—
96C2×C4C2×C22⋊C418yes—
97C2×C4C2×C22⋊C412yes—
98C2×C4C4×Q818yes—
99C2×C4C22⋊Q818yes—
100C2×C4#12412yes—
101C2×C4C4⋊Q812yes—
102C2×C4C23×C411yescharacteristic
103C2×C4C22×D411yescharacteristic
104C2×C4C22×Q812yes—
105C2×C4C2×#4112yes—
106C8—28no—
107C22#39114yes—
108C22#41718yes—
109C22#49014yes—
110C22#49114yes—
111C22#50118yes—
112C22C22×C22⋊C411yescharacteristic
113C22C2×#12411yescharacteristic
114C22C2×C4⋊Q811yescharacteristic
115C22C2×AGL(1,ℤ/8)12yes—
116C22C2×#13712yes—
117C4—28no—
118C4—48no—
119C4—84no—
120C4#39114yes—
121C4C2×C4×Q812yes—
122C4C2×C22⋊Q812yes—
123C2#199218yesdirect product factor
124C2C2×#39111yescharacteristic
125C2C2×#41712yes—
126C2C2×#49011yescharacteristic
127C2C2×#49111yescharacteristic
128C2C2×#50112yes—
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. #1992C2direct (N × H)
9. C2×#125C4semidirect
31. #125C2×C4semidirect
123. C2#1992direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1252
C22×#972
C2×#3842
#19922
C2×#3402