Finite Group Databasebeta

D171⋊(C7⋊D7) #45691678

order33516
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2×C7

Aliases

unambiguous semidirect productD171⋊(C7⋊D7)

Splittings

Fitting, derived, HallC72×C9×C19 ⋊ C22
HallC72×C19 ⋊ C2×D9
HallC72×C9 ⋊ C2×D19
HallC9×C19 ⋊ C2×C7⋊D7
SylowC72 ⋊ D9×D19
SylowC19 ⋊ D9×C7⋊D7
SylowC9 ⋊ D19×C7⋊D7

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC72×C9×C19C22
FrattiniC3D57⋊(C7⋊D7)
socleC3×C72×C19C2×D3
LCSG ▷ C72×C9×C19
UCSC1

300 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8379

Polycyclic presentation:

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

Conjugacy classes & character table

2154 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33516, 476);