Finite Group Databasebeta

← C2×AGL(1,𝔽9) #3842

Subgroups — C2×AGL(1,𝔽9) #3842

Order 144.

27 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#157C211yesmaximal, characteristic
2AGL(1,𝔽9)C212yesmaximal, direct product factor
3C2×C3⋊D3C411yescharacteristic
4#157C411yescharacteristic
5#157C2211yescharacteristic
6C2×C32C811yescharacteristic, complemented
7C3⋊D3C811yescharacteristic, complemented
8C3⋊D3C2×C411yescharacteristic
9C2×C8—91nomaximal, Sylow
10C2×D3—121no—
11C32C2×C811yescharacteristic, complemented, Sylow
12C2×C4—91no—
13C8—92no—
14C2×C3—41no—
15D3—121no—
16D3—121no—
17C22—91no—
18C4—91no—
19C4—91no—
20C3—41no—
21C2—91no—
22C2—91no—
23C2AGL(1,𝔽9)11yescharacteristic, direct product factor
subgroupG/H
center, hypercenterC2AGL(1,𝔽9)
commutator, hypocenterC32C2×C8
FrattiniC1G
Fitting, socleC2×C32C8
prime radicalC2×C3⋊D3C4
cosocle#157C22
LCSG ▷ C32
UCSC1 ◁ C2

Complements

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

NH ≅ G/Ntype
2. AGL(1,𝔽9)C2direct (N × H)
6. C2×C32C8semidirect
7. C3⋊D3C8semidirect
11. C32C2×C8semidirect
23. C2AGL(1,𝔽9)direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#1572
AGL(1,𝔽9)2
C2×C89