Finite Group Databasebeta

D99⋊D25 #23754756

order9900
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD99⋊D25
unambiguous semidirect productD225⋊D11
unambiguous semidirect productD275⋊D9

Splittings

Fitting, derived, HallC9×C11×C25 ⋊ C22
HallC11×C25 ⋊ C2×D9
HallC9×C25 ⋊ C2×D11
HallC9×C11 ⋊ C2×D25
SylowC25 ⋊ D9×D11
SylowC11 ⋊ D9×D25
SylowC9 ⋊ D11×D25

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C11×C25C22
FrattiniC3×C5D15⋊D11
socleC3×C5×C11D3×D5
LCSG ▷ C9×C11×C25
UCSC1

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3,5,11,3,5|c^3=f^2,d^5=g^4,c^a=c^2f,e^a=e^10,f^a=f^2,c^b=c^2f,d^b=d^4g,f^b=f^2,g^b=g^4

Conjugacy classes & character table

654 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(9900, 30);