Finite Group Databasebeta

#35208930

order20748
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

Fitting, socle, derived, HallC7×C13×C19 ⋊ C22×C3
HallD7×D247 ⋊ C3
Hall#19104440 ⋊ C22
HallC13×C19 ⋊ C2×AGL(1,𝔽7)
HallC7×C19 ⋊ C2×D13⋊C3
HallC7×C13 ⋊ C2×D19⋊C3
SylowC19 ⋊ #10587716⋊C2
SylowC13 ⋊ #11716321⋊C2
SylowC7 ⋊ C2×#13093366

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C13×C19C22×C3
LCSG ▷ C7×C13×C19
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1729

Polycyclic presentation:

2^2,3,7,13,19|e^a=e^12,f^a=f^18,d^b=d^6,d^c=d^2,e^c=e^3,f^c=f^7

Conjugacy classes & character table

219 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 158);