Finite Group Databasebeta

← C2×#1717 #19609

Subgroups — C2×#1717 #19609

Order 256.

483 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 483 conjugacy classes of subgroups — too many to draw. Only its 143 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
2C2×#492C211yesmaximal, characteristic, complemented
3C2×#487C211yesmaximal, characteristic, complemented
4C2×#486C211yesmaximal, characteristic, complemented
5C2×#486C211yesmaximal, characteristic, complemented
6C2×#486C211yesmaximal, characteristic, complemented
7#1717C218yesmaximal, direct product factor
8C2×#322C211yesmaximal, characteristic, complemented
9C22×SD16—22no—
10C22×D8—22no—
11C2×C4⋊Q8C2211yescharacteristic
12C2×C4⋊Q8C2211yescharacteristic
13C2×#127C2211yescharacteristic
14C2×#127C2211yescharacteristic
15#493—22no—
16#493C2214yes—
17#492—22no—
18#492C2214yescomplemented
19#487—22no—
20#487C2214yescomplemented
21#486—22no—
22#486—22no—
23#486—22no—
24#486C2214yescomplemented
25#486C2214yescomplemented
26#486C2214yescomplemented
27C2×#103—22no—
28C2×#102—22no—
29C2×#102—22no—
30C2×#102—22no—
31C2×C4×C8C2211yescharacteristic
32C2×C4×C8C2211yescharacteristic
33C2×C4×C8C2211yescharacteristic
34#322C2214yescomplemented
35C22×Q8—21no—
36C22×Q8—21no—
37C22×D4—21no—
38C22×D4—21no—
39C22×D4—21no—
40C22×D4—21no—
41C22×D4—21no—
42C22×D4—21no—
43C2×SD16—28no—
44C2×SD16—48no—
45C2×D8—28no—
46C2×D8—48no—
47C22×C8D412yes—
48C22×C8D412yes—
49C22×C8D412yes—
50C4⋊Q8—21no—
51C4⋊Q8—21no—
52C4⋊Q8—21no—
53C4⋊Q8—21no—
54C4⋊Q8—21no—
55C4⋊Q8—21no—
56C4⋊Q8C2312yes—
57C4⋊Q8C2312yes—
58#127—21no—
59#127—21no—
60#127—21no—
61#127—21no—
62#127—21no—
63#127—21no—
64#127C2312yes—
65#127C2312yes—
66C2×C4⋊C4—21no—
67C2×C4⋊C4—21no—
68C2×C4⋊C4—21no—
69C2×C4⋊C4—21no—
70C2×C42C2311yescharacteristic
71#103—28no—
72#102—28no—
73#102—28no—
74#102—28no—
75C4×C8D412yes—
76C4×C8D412yes—
77C4×C8D412yes—
78C4×C8C2312yes—
79C4×C8C2312yes—
80C4×C8C2312yes—
81C24—41no—
82C24—41no—
83C2×Q8—22no—
84C2×Q8—22no—
85C2×Q8—41no—
86C2×Q8—41no—
87C2×Q8—44no—
88C2×Q8—44no—
89C2×D4—22no—
90C2×D4—22no—
91C2×D4—22no—
92C2×D4—22no—
93C2×D4—22no—
94C2×D4—22no—
95C2×D4—41no—
96C2×D4—41no—
97C2×D4—41no—
98C2×D4—41no—
99C2×D4—41no—
100C2×D4—41no—
101C2×D4—44no—
102C2×D4—44no—
103C2×D4—44no—
104C2×D4—44no—
105C2×D4—44no—
106C2×D4—44no—
107C22×C4—41no—
108C22×C4—41no—
109C22×C4C2×D411yescharacteristic
110C22×C4C2×D411yescharacteristic
111C22×C4C2×D411yescharacteristic
112SD16—416no—
113D8—416no—
114C2×C8—24no—
115C2×C8—24no—
116C2×C8—24no—
117C2×C8C2×D414yes—
118C2×C8C2×D414yes—
119C2×C8C2×D414yes—
120C4⋊C4—22no—
121C4⋊C4—22no—
122C4⋊C4—22no—
123C4⋊C4—22no—
124C4⋊C4—41no—
125C4⋊C4—41no—
126C4⋊C4—41no—
127C4⋊C4—41no—
128C42C2×D411yescharacteristic
129C42C2×D411yescharacteristic
130C42C2×D411yescharacteristic
131C42C2411yescharacteristic
132C23—42no—
133C23—42no—
134C23—82no—
135C23—82no—
136C23—82no—
137C23—82no—
138C23—82no—
139C23—82no—
140C23#12711yescharacteristic
141Q8—44no—
142Q8—44no—
143Q8—82no—
144Q8—82no—
145D4—44no—
146D4—44no—
147D4—44no—
148D4—44no—
149D4—44no—
150D4—44no—
151D4—82no—
152D4—82no—
153D4—82no—
154D4—82no—
155D4—82no—
156D4—82no—
157C2×C4—42no—
158C2×C4—42no—
159C2×C4—82no—
160C2×C4—82no—
161C2×C4#12711yescharacteristic
162C2×C4#12711yescharacteristic
163C2×C4#12711yescharacteristic
164C2×C4#13514yes—
165C2×C4AGL(1,ℤ/8)14yes—
166C2×C4AGL(1,ℤ/8)14yes—
167C2×C4C22×D411yescharacteristic
168C2×C4C22×D411yescharacteristic
169C2×C4C22×D411yescharacteristic
170C8—24no—
171C8—24no—
172C8—24no—
173C22—82no—
174C22—82no—
175C22—82no—
176C22—82no—
177C22—82no—
178C22—82no—
179C22—164no—
180C22—164no—
181C22#49512yes—
182C22#49612yes—
183C22#49612yes—
184C22C2×#12711yescharacteristic
185C4—82no—
186C4—82no—
187C4#49512yes—
188C4#49612yes—
189C4#49612yes—
190C4C2×#13512yes—
191C4C2×AGL(1,ℤ/8)12yes—
192C4C2×AGL(1,ℤ/8)12yes—
193C2—162no—
194C2—162no—
195C2#171714yesdirect product factor
196C2C2×#49511yescharacteristic
197C2C2×#49611yescharacteristic
198C2C2×#49611yescharacteristic
subgroupG/H
center, socleC23#127
commutator, Frattini, cosocleC42C24
prime radicalC2×#493C2
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×#492C2semidirect
3. C2×#487C2semidirect
4. C2×#486C2semidirect
5. C2×#486C2semidirect
6. C2×#486C2semidirect
7. #1717C2direct (N × H)
8. C2×#322C2semidirect
18. #492C22semidirect
20. #487C22semidirect
24. #486C22semidirect
25. #486C22semidirect
26. #486C22semidirect
34. #322C22semidirect
195. C2#1717direct (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×#4872
C2×#4862
#17172
C2×#3222