Finite Group Databasebeta

← C2×#1719 #19611

Subgroups — C2×#1719 #19611

Order 256.

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

normal subgroups only

This group has 425 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×#500C211yesmaximal, characteristic, complemented
2C2×#492C211yesmaximal, characteristic
3C2×#487C211yesmaximal, characteristic, complemented
4C2×#487C211yesmaximal, characteristic, complemented
5C2×#486C211yesmaximal, characteristic
6C2×#486C211yesmaximal, characteristic
7#1719C218yesmaximal, direct product factor
8C2×#322C211yesmaximal, characteristic, complemented
9C22×SD16—22no—
10C2×C4⋊Q8C2211yescharacteristic
11C2×C4⋊Q8C2211yescharacteristic
12C2×C4⋊Q8C2211yescharacteristic
13C2×#127C2211yescharacteristic
14#500—22no—
15#500C2214yescomplemented
16#492—22no—
17#492C2214yes—
18#487—22no—
19#487—22no—
20#487C2214yescomplemented
21#487C2214yescomplemented
22#486—22no—
23#486—22no—
24#486C2214yes—
25#486C2214yes—
26C2×#107—22no—
27C2×#103—22no—
28C2×#103—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×Q8—21no—
38C22×D4—21no—
39C22×D4—21no—
40C22×D4—21no—
41C2×SD16—28no—
42C2×SD16—48no—
43C22×C8D412yes—
44C22×C8D412yes—
45C22×C8D412yes—
46C4⋊Q8—21no—
47C4⋊Q8—21no—
48C4⋊Q8—21no—
49C4⋊Q8—21no—
50C4⋊Q8—21no—
51C4⋊Q8—21no—
52C4⋊Q8—21no—
53C4⋊Q8—21no—
54C4⋊Q8—21no—
55C4⋊Q8C2312yes—
56C4⋊Q8C2312yes—
57C4⋊Q8C2312yes—
58#127—21no—
59#127—21no—
60#127—21no—
61#127C2312yes—
62C2×C4⋊C4—21no—
63C2×C4⋊C4—21no—
64C2×C4⋊C4—21no—
65C2×C4⋊C4—21no—
66C2×C4⋊C4—21no—
67C2×C4⋊C4—21no—
68C2×C42C2311yescharacteristic
69#107—28no—
70#103—28no—
71#103—28no—
72#102—28no—
73#102—28no—
74C4×C8D412yes—
75C4×C8D412yes—
76C4×C8D412yes—
77C4×C8C2312yes—
78C4×C8C2312yes—
79C4×C8C2312yes—
80C24—41no—
81C2×Q8—22no—
82C2×Q8—22no—
83C2×Q8—22no—
84C2×Q8—41no—
85C2×Q8—41no—
86C2×Q8—41no—
87C2×Q8—44no—
88C2×Q8—44no—
89C2×Q8—44no—
90C2×D4—22no—
91C2×D4—22no—
92C2×D4—22no—
93C2×D4—41no—
94C2×D4—41no—
95C2×D4—41no—
96C2×D4—44no—
97C2×D4—44no—
98C2×D4—44no—
99C22×C4—41no—
100C22×C4—41no—
101C22×C4—41no—
102C22×C4C2×D411yescharacteristic
103C22×C4C2×D411yescharacteristic
104C22×C4C2×D411yescharacteristic
105SD16—416no—
106C2×C8—24no—
107C2×C8—24no—
108C2×C8—24no—
109C2×C8C2×D414yes—
110C2×C8C2×D414yes—
111C2×C8C2×D414yes—
112C4⋊C4—22no—
113C4⋊C4—22no—
114C4⋊C4—22no—
115C4⋊C4—22no—
116C4⋊C4—22no—
117C4⋊C4—22no—
118C4⋊C4—41no—
119C4⋊C4—41no—
120C4⋊C4—41no—
121C4⋊C4—41no—
122C4⋊C4—41no—
123C4⋊C4—41no—
124C42C2×D411yescharacteristic
125C42C2×D411yescharacteristic
126C42C2×D411yescharacteristic
127C42C2411yescharacteristic
128C23—42no—
129C23—82no—
130C23—82no—
131C23—82no—
132C23#12711yescharacteristic
133Q8—44no—
134Q8—44no—
135Q8—44no—
136Q8—82no—
137Q8—82no—
138Q8—82no—
139D4—44no—
140D4—44no—
141D4—44no—
142D4—82no—
143D4—82no—
144D4—82no—
145C2×C4—42no—
146C2×C4—42no—
147C2×C4—42no—
148C2×C4—82no—
149C2×C4—82no—
150C2×C4—82no—
151C2×C4#12711yescharacteristic
152C2×C4#12711yescharacteristic
153C2×C4#12711yescharacteristic
154C2×C4#13514yes—
155C2×C4AGL(1,ℤ/8)14yes—
156C2×C4#13714yes—
157C2×C4C22×D411yescharacteristic
158C2×C4C22×D411yescharacteristic
159C2×C4C22×D411yescharacteristic
160C8—24no—
161C8—24no—
162C8—24no—
163C22—82no—
164C22—82no—
165C22—82no—
166C22—164no—
167C22#49512yes—
168C22#49612yes—
169C22#49712yes—
170C22C2×#12711yescharacteristic
171C4—82no—
172C4—82no—
173C4—82no—
174C4#49512yes—
175C4#49612yes—
176C4#49712yes—
177C4C2×#13512yes—
178C4C2×AGL(1,ℤ/8)12yes—
179C4C2×#13712yes—
180C2—162no—
181C2#171914yesdirect product factor
182C2C2×#49511yescharacteristic
183C2C2×#49611yescharacteristic
184C2C2×#49711yescharacteristic
subgroupG/H
center, socleC23#127
commutator, Frattini, cosocleC42C24
prime radicalC2×#127C22
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×#500C2semidirect
3. C2×#487C2semidirect
4. C2×#487C2semidirect
7. #1719C2direct (N × H)
8. C2×#322C2semidirect
15. #500C22semidirect
20. #487C22semidirect
21. #487C22semidirect
34. #322C22semidirect
181. C2#1719direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5002
C2×#4922
C2×#4872
C2×#4862
#17192
C2×#3222