Finite Group Databasebeta

← C2×#1721 #19614

Subgroups — C2×#1721 #19614

Order 256.

573 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 573 conjugacy classes of subgroups — too many to draw. Only its 159 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×#493C211yesmaximal, characteristic, complemented
2C2×#493C212yesmaximal, complemented
3C2×#492C211yesmaximal, characteristic, complemented
4C2×#486C212yesmaximal, complemented
5#1721C218yesmaximal, direct product factor
6C2×#322C211yesmaximal, characteristic, complemented
7C22×SD16—22no—
8C22×D8—24no—
9C22×D8—22no—
10C2×C4⋊Q8C2211yescharacteristic
11C2×#127C2212yes—
12C2×#127C2211yescharacteristic
13#493—24no—
14#493—22no—
15#493C2218yescomplemented
16#493C2214yescomplemented
17#492—22no—
18#492C2214yescomplemented
19#486—24no—
20#486C2218yescomplemented
21C2×#102—24no—
22C2×C4×C8C2212yes—
23C2×C4×C8C2211yescharacteristic
24#322C2214yescomplemented
25C22×Q8—21no—
26C22×D4—22no—
27C22×D4—22no—
28C22×D4—22no—
29C22×D4—21no—
30C22×D4—22no—
31C2×SD16—28no—
32C2×SD16—48no—
33C2×D8—216no—
34C2×D8—28no—
35C2×D8—416no—
36C2×D8—48no—
37C22×C8D414yes—
38C22×C8D412yes—
39C4⋊Q8—22no—
40C4⋊Q8—21no—
41C4⋊Q8C2312yes—
42#127—22no—
43#127—21no—
44#127—22no—
45#127—22no—
46#127—22no—
47#127C2314yes—
48#127C2312yes—
49C2×C4⋊C4—22no—
50C2×C42C2311yescharacteristic
51#102—216no—
52C4×C8D414yes—
53C4×C8D412yes—
54C4×C8C2314yes—
55C4×C8C2312yes—
56C24—41no—
57C24—42no—
58C2×Q8—22no—
59C2×Q8—41no—
60C2×Q8—44no—
61C2×D4—24no—
62C2×D4—24no—
63C2×D4—24no—
64C2×D4—24no—
65C2×D4—22no—
66C2×D4—42no—
67C2×D4—41no—
68C2×D4—42no—
69C2×D4—42no—
70C2×D4—42no—
71C2×D4—48no—
72C2×D4—44no—
73C2×D4—48no—
74C2×D4—48no—
75C2×D4—48no—
76C22×C4—41no—
77C22×C4C2×D411yescharacteristic
78C22×C4C2×D412yes—
79SD16—416no—
80D8—432no—
81D8—416no—
82C2×C8—28no—
83C2×C8D818yescomplemented
84C2×C8C2×D418yes—
85C2×C8C2×D414yes—
86C4⋊C4—24no—
87C4⋊C4—42no—
88C42C2×D412yes—
89C42C2×D411yescharacteristic
90C42C2411yescharacteristic
91C23—44no—
92C23—42no—
93C23—84no—
94C23—82no—
95C23—84no—
96C23—84no—
97C23—84no—
98C23#12711yescharacteristic
99Q8—44no—
100Q8—82no—
101D4—48no—
102D4—44no—
103D4—48no—
104D4—48no—
105D4—48no—
106D4—84no—
107D4—82no—
108D4—84no—
109D4—84no—
110D4—84no—
111C2×C4—42no—
112C2×C4—82no—
113C2×C4#12711yescharacteristic
114C2×C4#12712yes—
115C2×C4C2×D814yes—
116C2×C4AGL(1,ℤ/8)18yes—
117C2×C4C22×D411yescharacteristic
118C2×C4C22×D412yes—
119C8—28no—
120C8C2×D818yescomplemented
121C22—84no—
122C22—82no—
123C22—84no—
124C22—84no—
125C22—84no—
126C22—168no—
127C22—164no—
128C22#49312yes—
129C22#49614yes—
130C22C2×#12711yescharacteristic
131C4—82no—
132C4#49312yes—
133C4#49614yes—
134C4C22×D812yes—
135C4C2×AGL(1,ℤ/8)14yes—
136C2—164no—
137C2—162no—
138C2#172114yesdirect product factor
139C2C2×#49311yescharacteristic
140C2C2×#49612yes—
subgroupG/H
center, socleC23#127
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
1. C2×#493C2semidirect
2. C2×#493C2semidirect
3. C2×#492C2semidirect
4. C2×#486C2semidirect
5. #1721C2direct (N × H)
6. C2×#322C2semidirect
15. #493C22semidirect
16. #493C22semidirect
18. #492C22semidirect
20. #486C22semidirect
24. #322C22semidirect
83. C2×C8D8semidirect
120. C8C2×D8semidirect
138. C2#1721direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4932
C2×#4922
C2×#4862
#17212
C2×#3222