Finite Group Databasebeta

C19⋊#11744620 #30685518

order17100
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productC19⋊#11744620

Splittings

Fitting, derived, HallC32×C19×C25 ⋊ C4
HallC19×C25 ⋊ #157
HallC32×C25 ⋊ Dic19
HallC32×C19 ⋊ Dic25
SylowC25 ⋊ C19⋊#157
SylowC19 ⋊ #11744620
SylowC32 ⋊ Dic475

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC32×C19×C25C4
FrattiniC5C19⋊#4379
socleC32×C5×C19Dic5
prime radicalC5×C3⋊D3×C19D5
cosocleC3⋊D3×C19×C25C2
LCSG ▷ C32×C19×C25
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2850

Polycyclic presentation:

2^2,3^2,5,19,5|a^2=b,e^5=g^4,c^a=cd,d^a=cd^2,e^a=e^4g,f^a=f^18,g^a=g^4,c^b=c^2,d^b=d^2

Conjugacy classes & character table

1428 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17100, 155);