Finite Group Databasebeta

D287⋊D21 #37563151

order24108
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD287⋊D21

Splittings

Fitting, socle, derived, HallC3×C72×C41 ⋊ C22
HallC72×C41 ⋊ C2×D3
HallC3×C72 ⋊ C2×D41
HallC3×C41 ⋊ D72
SylowC72 ⋊ D3×D41
SylowC41 ⋊ D7×D21
SylowC3 ⋊ (C7⋊D7)⋊D41

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C72×C41C22
LCSG ▷ C3×C72×C41
UCSC1

104 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1722

Polycyclic presentation:

2^2,3,7^2,41|d^a=d^6,f^a=f^40,c^b=c^2,d^b=d^6,e^b=e^6

Conjugacy classes & character table

1560 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(24108, 158);