Finite Group Databasebeta

← C7×Dic18 #92603

Subgroups — C7×Dic18 #92603

Order 504.

36 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C4×C7×C9C211yesmaximal, characteristic
2C7×Dic9C212yesmaximal
3C7×Dic6—31nomaximal
4C2×C7×C9C2211yescharacteristic
5C3×C4×C7D311yescharacteristic
6C7×Dic3—32no—
7Dic18C711yesmaximal, characteristic, direct product factor, Hall
8C7×C9Q811yescharacteristic, complemented, Hall
9C7×Q8—91noHall
10C2×C3×C7C2×D311yescharacteristic
11C4×C9C2×C711yescharacteristic
12Dic9C2×C712yes—
13C4×C7—92no—
14C4×C7D911yescharacteristic
15Dic6—31no—
16C3×C7Dic611yescharacteristic
17C2×C9C22×C711yescharacteristic
18C2×C7C2×D911yescharacteristic
19C3×C4D3×C711yescharacteristic
20Dic3—32no—
21C9C7×Q811yescharacteristic, complemented, Sylow
22Q8—91noSylow
23C7Dic1811yescharacteristic, direct product factor, Sylow
24C2×C3C2×D3×C711yescharacteristic
25C4—92no—
26C4C7×D911yescharacteristic
27C3C7×Dic611yescharacteristic
28C2C2×C7×D911yescharacteristic
subgroupG/H
centerC2×C7C2×D9
commutator, cosocleC2×C9C22×C7
FrattiniC2×C3C2×D3×C7
FittingC4×C7×C9C2
socle, prime radicalC2×C3×C7C2×D3
hypercenterC4×C7D9
hypocenterC9C7×Q8
LCSG ▷ C2×C9 ▷ C9
UCSC1 ◁ C2×C7 ◁ C4×C7

Complements

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

NH ≅ G/Ntype
7. Dic18C7direct (N × H)
8. C7×C9Q8semidirect
21. C9C7×Q8semidirect
23. C7Dic18direct (N × H)

Maximal subgroups

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

subgroupindex
C4×C7×C92
C7×Dic92
C7×Dic63
Dic187