Finite Group Databasebeta

#20300472⋊C3 #36346391

order21900
automorphism?
homologyAbelianization (H1) = C3×C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#20300472⋊C3

Splittings

Fitting, derived, HallC25×C73 ⋊ C3×C4
Hall#20300472 ⋊ C3
HallC25×C73⋊C3 ⋊ C4
HallC73⋊C3 ⋊ Dic25
SylowC73 ⋊ C3×Dic25
SylowC25 ⋊ #64408⋊C3

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC25×C73C3×C4
FrattiniC5#13091735⋊C3
socleC5×C73C3×Dic5
prime radicalC5×D73⋊C3D5
cosocleC25×D73C2×C3
LCSG ▷ C25×C73
UCSC1

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1825

Polycyclic presentation:

2,3,2,5,73,5|a^2=c,d^5=f^4,d^a=d^4f,e^a=e^27,f^a=f^4,e^b=e^8,e^c=e^72

Conjugacy classes & character table

234 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21900, 19);