Finite Group Databasebeta

← C5×2−1+4 #4158

Subgroups — C5×2−1+4 #4158

Order 160.

146 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C5×#41C2110yesmaximal, complemented
2C2×C5×Q8C215yesmaximal, complemented
3C5×Q8C22110yes—
4C5×D4C22110yes—
5C2×C4×C5C22115yes—
62−1+4C511yesmaximal, characteristic, direct product factor, Sylow
7C22×C5C2315yes—
8C4×C5C23110yes—
9#41C2×C5110yescomplemented
10C2×Q8C2×C515yescomplemented
11C2×C5—25no—
12C2×C5C2411yescharacteristic
13Q8C22×C5110yes—
14D4C22×C5110yes—
15C2×C4C22×C5115yes—
16C52−1+411yescharacteristic, direct product factor, Sylow
17C22C23×C515yes—
18C4C23×C5110yes—
19C2—25no—
20C2C24×C511yescharacteristic
subgroupG/H
center, socleC2×C5C24
commutator, Frattini, cosocleC2C24×C5
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ G

Complements

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

NH ≅ G/Ntype
1. C5×#41C2semidirect
2. C2×C5×Q8C2semidirect
6. 2−1+4C5direct (N × H)
9. #41C2×C5semidirect
10. C2×Q8C2×C5semidirect
16. C52−1+4direct (N × H)

Maximal subgroups

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

subgroupindex
C5×#412
C2×C5×Q82
2−1+45