Finite Group Databasebeta

D45⋊D169 #44477453

order30420
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD45⋊D169
unambiguous semidirect productD845⋊D9
unambiguous semidirect productD1521⋊D5

Splittings

Fitting, derived, HallC5×C9×C169 ⋊ C22
HallC9×C169 ⋊ C2×D5
HallC5×C169 ⋊ C2×D9
SylowC169 ⋊ D5×D9
HallC5×C9 ⋊ C2×D169
SylowC9 ⋊ D5×D169
SylowC5 ⋊ D9×D169

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC5×C9×C169C22
FrattiniC3×C13D15⋊D13
socleC3×C5×C13D3×D13
LCSG ▷ C5×C9×C169
UCSC1

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7605

Polycyclic presentation:

2^2,3,5,13,3,13|c^3=f^2,e^13=g^12,c^a=c^2f,e^a=e^12g,f^a=f^2,g^a=g^12,c^b=c^2f,d^b=d^4,f^b=f^2

Conjugacy classes & character table

2040 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30420, 42);