Finite Group Databasebeta

← C2×#1740 #20353

Subgroups — C2×#1740 #20353

Order 256.

1175 conjugacy classes of subgroups.

The subgroup lattice has 201 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×#117C212yesmaximal
2C22×#117C211yesmaximal, characteristic
3#1740C218yesmaximal, direct product factor
4C2×#342C214yesmaximal
5C24×C4C2211yescharacteristic
6C2×#117—22no—
7C2×#117—24no—
8C2×#117—28no—
9C2×#117—22no—
10C2×#117—24no—
11C2×#117C4116yescomplemented
12C2×#117C414yescomplemented
13C2×#117C2218yes—
14C2×#117C2214yes—
15C22×C4⋊C4—22no—
16C22×C4⋊C4C412yescomplemented
17C22×C22⋊C4C2212yes—
18C22×C22⋊C4C2214yes—
19C22×C42—22no—
20C22×C42C412yescomplemented
21#342C22116yes—
22C25C2311yescharacteristic
23C23×C4—24no—
24C23×C4C2×C414yes—
25C23×C4C2×C411yescharacteristic
26C23×C4C2×C418yes—
27C23×C4C2×C412yes—
28C23×C4C2×C411yescharacteristic
29C23×C4D412yes—
30C23×C4D414yes—
31C23×C4D414yes—
32C23×C4D412yes—
33C23×C4Q814yes—
34C23×C4C2312yes—
35#117—232no—
36#117—28no—
37#117—28no—
38#117—216no—
39#117—28no—
40#117—28no—
41#117C2×C4132yescomplemented
42C2×C4⋊C4—216no—
43C2×C4⋊C4—24no—
44C2×C4⋊C4—24no—
45C2×C4⋊C4—28no—
46C2×C4⋊C4C2×C418yescomplemented
47C2×C22⋊C4—24no—
48C2×C22⋊C4—24no—
49C2×C22⋊C4—24no—
50C2×C22⋊C4—28no—
51C2×C22⋊C4C2×C414yes—
52C2×C22⋊C4C2×C4116yes—
53C2×C22⋊C4C2314yes—
54C2×C22⋊C4C2318yes—
55C2×C42—22no—
56C2×C42—24no—
57C2×C42—216no—
58C2×C42—22no—
59C2×C42—28no—
60C2×C42C2×C418yescomplemented
61C24—44no—
62C24C22×C411yescharacteristic
63C24C22×C414yes—
64C24C22×C411yescharacteristic
65C24C2×D412yes—
66C24C2×D412yes—
67C24C2×D412yes—
68C24C2×Q812yes—
69C24C2411yescharacteristic
70C22×C4—24no—
71C22×C4—24no—
72C22×C4—216no—
73C22×C4—28no—
74C22×C4—416no—
75C22×C4—48no—
76C22×C4C4214yes—
77C22×C4C4218yes—
78C22×C4C4214yes—
79C22×C4C22⋊C411yescharacteristic
80C22×C4C22⋊C412yes—
81C22×C4C22⋊C418yes—
82C22×C4C22⋊C418yes—
83C22×C4C22⋊C412yes—
84C22×C4C22⋊C412yes—
85C22×C4C22⋊C414yes—
86C22×C4C22⋊C4116yes—
87C22×C4C22⋊C414yes—
88C22×C4C22⋊C411yescharacteristic
89C22×C4C4⋊C414yes—
90C22×C4C4⋊C418yes—
91C22×C4C4⋊C418yes—
92C22×C4C4⋊C4116yes—
93C22×C4C4⋊C418yes—
94C22×C4C4⋊C414yes—
95C22×C4C22×C418yes—
96C22×C4C22×C412yes—
97C22×C4C22×C412yes—
98C22×C4C22×C418yes—
99C22×C4C2×D414yes—
100C22×C4C2×D414yes—
101C22×C4C2×D414yes—
102C22×C4C2×Q814yes—
103C4⋊C4—232no—
104C4⋊C4—216no—
105C22⋊C4—28no—
106C22⋊C4—216no—
107C22⋊C4—28no—
108C22⋊C4—28no—
109C22⋊C4C22×C4116yes—
110C42—232no—
111C42—28no—
112C42—28no—
113C23—24no—
114C23—28no—
115C23—42no—
116C23—48no—
117C23—44no—
118C23—44no—
119C23—44no—
120C23—42no—
121C23C2×C4212yes—
122C23C2×C4212yes—
123C23C2×C22⋊C412yes—
124C23C2×C22⋊C411yescharacteristic
125C23C2×C22⋊C414yes—
126C23C2×C22⋊C414yes—
127C23C2×C22⋊C411yescharacteristic
128C23C2×C4⋊C412yes—
129C23C2×C4⋊C414yes—
130C23C2×C4⋊C412yes—
131C23C2×C4⋊C414yes—
132C23C23×C411yescharacteristic
133C23C23×C412yes—
134C23C22×D412yes—
135C23C22×D411yescharacteristic
136C23C22×Q811yescharacteristic
137C2×C4—28no—
138C2×C4—216no—
139C2×C4—416no—
140C2×C4—432no—
141C2×C4—48no—
142C2×C4—48no—
143C2×C4—48no—
144C2×C4#9518yes—
145C2×C4#95116yes—
146C2×C4#9518yes—
147C2×C4#95116yes—
148C2×C4#9518yes—
149C2×C4#9514yes—
150C2×C4#9514yes—
151C2×C4C2×C4214yes—
152C2×C4C2×C4214yes—
153C2×C4C2×C22⋊C418yes—
154C2×C4C2×C22⋊C412yes—
155C2×C4C2×C22⋊C412yes—
156C2×C4C2×C22⋊C418yes—
157C2×C4C2×C22⋊C414yes—
158C2×C4C2×C4⋊C414yes—
159C2×C4C2×C4⋊C414yes—
160C2×C4C2×C4⋊C418yes—
161C2×C4C2×C4⋊C418yes—
162C22—22no—
163C22—22no—
164C22—24no—
165C22—24no—
166C22—28no—
167C22—24no—
168C22—24no—
169C22—28no—
170C22—42no—
171C22—44no—
172C22—42no—
173C22—44no—
174C22—42no—
175C22—41no—
176C22—41no—
177C22C2×#9512yes—
178C22C2×#9514yes—
179C22C2×#9512yes—
180C22#41014yes—
181C22C22×C4211yescharacteristic
182C22C22×C22⋊C412yes—
183C22C22×C22⋊C411yescharacteristic
184C22C22×C4⋊C411yescharacteristic
185C22C22×C4⋊C412yes—
186C4—416no—
187C4—48no—
188C4C2×#9514yes—
189C4C2×#9518yes—
190C4C2×#9514yes—
191C2—22no—
192C2—21no—
193C2—22no—
194C2—22no—
195C2—24no—
196C2—21no—
197C2#174014yesdirect product factor
198C2C22×#9511yescharacteristic
199C2C2×#41012yes—
subgroupG/H
centerC22×C4C22⋊C4
commutatorC22C22×C42
Frattini, cosocleC24C24
socleC23C2×C22⋊C4
prime radicalC25C23
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C24×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

Complements

Splittings G = N ⋊ H with N normal; H ≅ G/N.

NH ≅ G/Ntype
3. #1740C2direct (N × H)
11. C2×#117C4semidirect
12. C2×#117C4semidirect
16. C22×C4⋊C4C4semidirect
20. C22×C42C4semidirect
41. #117C2×C4semidirect
46. C2×C4⋊C4C2×C4semidirect
60. C2×C42C2×C4semidirect
197. C2#1740direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1172
#17402
C2×#3422