Finite Group Databasebeta

D371⋊D21 #44528466

order31164
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD371⋊D21

Splittings

Fitting, socle, derived, HallC3×C72×C53 ⋊ C22
HallC72×C53 ⋊ C2×D3
HallC3×C53 ⋊ D72
HallC3×C72 ⋊ C2×D53
SylowC53 ⋊ D7×D21
SylowC72 ⋊ D3×D53
SylowC3 ⋊ (C7⋊D7)⋊D53

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C72×C53C22
LCSG ▷ C3×C72×C53
UCSC1

104 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2226

Polycyclic presentation:

2^2,3,7^2,53|d^a=d^6,f^a=f^52,c^b=c^2,d^b=d^6,e^b=e^6

Conjugacy classes & character table

2010 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31164, 158);