Finite Group Databasebeta

← C2×#1840 #20771

Subgroups — C2×#1840 #20771

Order 256.

447 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#376C211yesmaximal, characteristic
2#1840C218yesmaximal, direct product factor
3C2×#336C216yesmaximal
4C23×C8C2214yes—
5C22×C42C2213yes—
6#376C414yes—
7#376C2214yes—
8C2×#95C414yes—
9#336C22124yes—
10C23×C4C2×C416yes—
11C23×C4C2311yescharacteristic
12C22×C8—224no—
13C22×C8C2318yes—
14C2×C42—212no—
15C2×C42C2×C416yes—
16C2×C42C2316yes—
17#95C2×C4116yes—
18C24C22×C411yescharacteristic
19C22×C4—212no—
20C22×C4—224no—
21C22×C4C22×C4112yes—
22C22×C4C22×C411yescharacteristic
23C22×C4#41112yes—
24C22×C4C2411yescharacteristic
25C2×C8—224no—
26C2×C8—416no—
27C42—212no—
28C42—212no—
29C23#11716yes—
30C23#13118yes—
31C23C23×C411yescharacteristic
32C2×C4—212no—
33C2×C4—224no—
34C2×C4—424no—
35C2×C4#11716yes—
36C2×C4#126116yes—
37C2×C4C2×#4116yes—
38C8—48no—
39C22#38314yes—
40C22#433124yes—
41C22C2×#11713yes—
42C22C2×#13114yes—
43C4—412no—
44C4#38314yes—
45C4C2×#12614yes—
46C2#184018yesdirect product factor
47C2C2×#38311yescharacteristic
48C2C2×#43316yes—
subgroupG/H
centerC23×C4C23
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
socle, prime radicalC24C22×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. #1840C2direct (N × H)
46. C2#1840direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#3762
#18402
C2×#3362