Finite Group Databasebeta

C19⋊#13183544 #45691597

order33516
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC19⋊#13183544

Splittings

derived, HallC19×#89205 ⋊ C4
HallC72×C19 ⋊ Dic9
Hall#89205 ⋊ Dic19
SylowC72 ⋊ Dic171
SylowC19 ⋊ #13183544

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, hypocenterC19×#89205C4
FrattiniC3C19⋊#10596885
Fitting, socleC3×C72×C19Dic3
prime radicalC3×C19×C7⋊D7D3
cosocleC19×#11725078C2
LCSG ▷ C19×#89205
UCSC1

56 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2394

Polycyclic presentation:

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

Conjugacy classes & character table

402 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33516, 395);