Finite Group Databasebeta

D73⋊#2155 #34030087

order18688
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD73⋊#2155

Splittings

FittingC2×M32×C73 ⋊ C4
SylowC73 ⋊ C2×#2155

Subgroups

subgroupG/H
centerC4C2×#14556659
commutatorC8×C73C23×C4
FrattiniC8C23×#64408
FittingC2×M32×C73C4
socleC2×C73C22×#106
prime radicalC23×D73SD16
cosocleC8×D73C24
hypercenterC2×M32#64408
hypocenterC73C2×#2155
LCSG ▷ C8×C73 ▷ C4×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C4 ◁ C22×C4 ◁ C22×C8 ◁ C2×M32

658 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2336

Polycyclic presentation:

2^8,73|a^2=f,b^2=e,c^2=h,e^2=g,g^2=h,b^a=be,e^a=eg,g^a=gh,i^a=i^27,f^b=fh,i^d=i^72,i^f=i^72

Conjugacy classes & character table

784 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1113671);