Finite Group Databasebeta

← C2×#1723 #19617

Subgroups — C2×#1723 #19617

Order 256.

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

normal subgroups only

This group has 399 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×#500C211yesmaximal, characteristic
2C2×#500C211yesmaximal, characteristic
3C2×#498C211yesmaximal, characteristic
4C2×#494C211yesmaximal, characteristic
5C2×#487C211yesmaximal, characteristic
6C2×#487C211yesmaximal, characteristic
7#1723C218yesmaximal, direct product factor
8C2×#322C211yesmaximal, characteristic
9C22×Q16—22no—
10C2×C4⋊Q8C2211yescharacteristic
11C2×C4⋊Q8C2211yescharacteristic
12C2×C4⋊Q8C2211yescharacteristic
13C2×C4⋊Q8C2211yescharacteristic
14#500—22no—
15#500—22no—
16#500C2214yes—
17#500C2214yes—
18#498—22no—
19#498C2214yes—
20#494—22no—
21#494C2214yes—
22#487—22no—
23#487—22no—
24#487C2214yes—
25#487C2214yes—
26C2×#107—22no—
27C2×#107—22no—
28C2×#106—22no—
29C2×#103—22no—
30C2×#103—22no—
31C2×C4×C8C2211yescharacteristic
32C2×C4×C8C2211yescharacteristic
33C2×C4×C8C2211yescharacteristic
34#322C2214yes—
35C22×Q8—21no—
36C22×Q8—21no—
37C22×Q8—21no—
38C22×Q8—21no—
39C2×Q16—28no—
40C2×Q16—48no—
41C22×C8D412yes—
42C22×C8D412yes—
43C22×C8D412yes—
44C4⋊Q8—21no—
45C4⋊Q8—21no—
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⋊Q8—21no—
56C4⋊Q8C2312yes—
57C4⋊Q8C2312yes—
58C4⋊Q8C2312yes—
59C4⋊Q8C2312yes—
60C2×C4⋊C4—21no—
61C2×C4⋊C4—21no—
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#107—28no—
71#106—28no—
72#103—28no—
73#103—28no—
74C4×C8D412yes—
75C4×C8D412yes—
76C4×C8D412yes—
77C4×C8C2312yes—
78C4×C8C2312yes—
79C4×C8C2312yes—
80C2×Q8—22no—
81C2×Q8—22no—
82C2×Q8—22no—
83C2×Q8—22no—
84C2×Q8—41no—
85C2×Q8—41no—
86C2×Q8—41no—
87C2×Q8—41no—
88C2×Q8—44no—
89C2×Q8—44no—
90C2×Q8—44no—
91C2×Q8—44no—
92C22×C4—41no—
93C22×C4—41no—
94C22×C4—41no—
95C22×C4—41no—
96C22×C4C2×D411yescharacteristic
97C22×C4C2×D411yescharacteristic
98C22×C4C2×D411yescharacteristic
99Q16—416no—
100C2×C8—24no—
101C2×C8—24no—
102C2×C8Q1618yescomplemented
103C2×C8C2×D414yes—
104C2×C8C2×D414yes—
105C2×C8C2×D414yes—
106C4⋊C4—22no—
107C4⋊C4—22no—
108C4⋊C4—22no—
109C4⋊C4—22no—
110C4⋊C4—22no—
111C4⋊C4—22no—
112C4⋊C4—22no—
113C4⋊C4—22no—
114C4⋊C4—41no—
115C4⋊C4—41no—
116C4⋊C4—41no—
117C4⋊C4—41no—
118C4⋊C4—41no—
119C4⋊C4—41no—
120C4⋊C4—41no—
121C4⋊C4—41no—
122C42C2×D411yescharacteristic
123C42C2×D411yescharacteristic
124C42C2×D411yescharacteristic
125C42C2411yescharacteristic
126C23#12711yescharacteristic
127Q8—44no—
128Q8—44no—
129Q8—44no—
130Q8—44no—
131Q8—82no—
132Q8—82no—
133Q8—82no—
134Q8—82no—
135C2×C4—42no—
136C2×C4—42no—
137C2×C4—42no—
138C2×C4—42no—
139C2×C4—82no—
140C2×C4—82no—
141C2×C4—82no—
142C2×C4—82no—
143C2×C4#12711yescharacteristic
144C2×C4#12711yescharacteristic
145C2×C4#12711yescharacteristic
146C2×C4C2×Q1614yes—
147C2×C4AGL(1,ℤ/8)14yes—
148C2×C4#13714yes—
149C2×C4C22×D411yescharacteristic
150C2×C4C22×D411yescharacteristic
151C2×C4C22×D411yescharacteristic
152C8—24no—
153C8—24no—
154C8C2×Q1618yescomplemented
155C22#49412yes—
156C22#49612yes—
157C22#49712yes—
158C22C2×#12711yescharacteristic
159C4—82no—
160C4—82no—
161C4—82no—
162C4—82no—
163C4#49412yes—
164C4#49612yes—
165C4#49712yes—
166C4C22×Q1612yes—
167C4C2×AGL(1,ℤ/8)12yes—
168C4C2×#13712yes—
169C2#172314yesdirect product factor
170C2C2×#49411yescharacteristic
171C2C2×#49611yescharacteristic
172C2C2×#49711yescharacteristic
subgroupG/H
center, socle, prime radicalC23#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
7. #1723C2direct (N × H)
102. C2×C8Q16semidirect
154. C8C2×Q16semidirect
169. C2#1723direct (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×#4982
C2×#4942
C2×#4872
#17232
C2×#3222