Finite Group Databasebeta

C19⋊#11744708 #30685953

order17100
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C3×C5

Aliases

unambiguous semidirect productC19⋊#11744708

Splittings

Fitting, socle, derived, HallC32×C52×C19 ⋊ C4
HallC52×C19 ⋊ #157
HallC32×C52 ⋊ Dic19
HallC32×C19 ⋊ #1044
SylowC52 ⋊ C19⋊#157
SylowC19 ⋊ #11744708
SylowC32 ⋊ C19⋊#1044

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC32×C52×C19C4
prime radical, cosocleC19×C3⋊(C3⋊(C5⋊D5))C2
LCSG ▷ C32×C52×C19
UCSC1

128 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 570

Polycyclic presentation:

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

Conjugacy classes & character table

1086 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17100, 590);