Finite Group Databasebeta

← C2×M128 #13736

Subgroups — C2×M128 #13736

Order 256.

67 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×C32C211yesmaximal, characteristic
2M128C214yesmaximal, direct product factor
3C2×C64C212yesmaximal, complemented
4C22×C16C411yescharacteristic
5C2×C32C411yescharacteristic
6C2×C32C412yes—
7C2×C32C2212yes—
8C2×C32C2211yescharacteristic
9C64C2214yescomplemented
10C22×C8C811yescharacteristic
11C2×C16C811yescharacteristic
12C2×C16C812yes—
13C2×C16C2×C412yes—
14C2×C16C2×C411yescharacteristic
15C32C2×C412yes—
16C32C2×C411yescharacteristic
17C32C2311yescharacteristic
18C22×C4C1611yescharacteristic
19C2×C8C1612yes—
20C2×C8C1611yescharacteristic
21C2×C8C2×C812yes—
22C2×C8C2×C811yescharacteristic
23C16C2×C812yes—
24C16C2×C811yescharacteristic
25C16C22×C411yescharacteristic
26C23C3211yescharacteristic
27C2×C4C3212yes—
28C2×C4C3211yescharacteristic
29C2×C4C2×C1612yes—
30C2×C4C2×C1611yescharacteristic
31C8C2×C1612yes—
32C8C2×C1611yescharacteristic
33C8C22×C811yescharacteristic
34C22—22no—
35C22C2×C3212yes—
36C22C2×C3211yescharacteristic
37C4C2×C3211yescharacteristic
38C4C2×C3212yes—
39C4C22×C1611yescharacteristic
40C2—22no—
41C2M12812yesdirect product factor
42C2C22×C3211yescharacteristic
subgroupG/H
centerC2×C32C22
commutatorC2C22×C32
Frattini, cosocleC32C23
socleC22C2×C32
prime radicalC23C32
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C32 ◁ G
LECSG ▷ C32 ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. M128C2direct (N × H)
3. C2×C64C2semidirect
9. C64C22semidirect
41. C2M128direct (N × H)

Maximal subgroups

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

subgroupindex
C22×C322
M1282
C2×C642