Finite Group Databasebeta

C19⋊#13183527 #45691517

order33516
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC19⋊#13183527

Splittings

derived, HallC19×#89205 ⋊ C4
HallC72×C19 ⋊ Dic9
Hall#89205 ⋊ Dic19
SylowC72 ⋊ Dic171
SylowC19 ⋊ #13183527

Subgroups

subgroupG/H
center, hypercenterC2C19⋊#11725071
commutator, hypocenterC19×#89205C4
FrattiniC2×C3C19⋊#64418
Fitting, socle, prime radicalC2×C3×C72×C19D3
cosocleC2×C19×#89205C2
LCSG ▷ C19×#89205
UCSC1 ◁ C2

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4788

Polycyclic presentation:

2,3,19,7^2,2,3|a^2=f,b^3=g^2,b^a=b^2g,c^a=c^18,d^a=d^2e^3,e^a=d^6e^5,g^a=g^2,d^b=d^4e^4,e^b=e^2

Conjugacy classes & character table

1104 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33516, 315);