Finite Group Databasebeta

#35208989

order20748
automorphism?
homologyAbelianization (H1) = C3×C4 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

Fitting, socle, derived, HallC7×C13×C19 ⋊ C3×C4
HallC7×C19⋊#261 ⋊ C3
HallC19×#63271 ⋊ C4
HallC19⋊#261 ⋊ ΓL(1,𝔽8)
Hall#63271 ⋊ Dic19
HallC13×C19 ⋊ C4×ΓL(1,𝔽8)
HallC7×C19 ⋊ AGL(1,𝔽13)
HallC7×C13 ⋊ C3×Dic19
SylowC19 ⋊ #11763981
SylowC13 ⋊ ΓL(1,𝔽8)×Dic19
SylowC7 ⋊ #15688304

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C13×C19C3×C4
prime radicalC19×#10587717C2
cosocleC7×C19×D13C2×C3
LCSG ▷ C7×C13×C19
UCSC1

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1729

Polycyclic presentation:

2,3,2,7,13,19|a^2=c,e^a=e^5,f^a=f^18,d^b=d^2,e^b=e^9,e^c=e^12

Conjugacy classes & character table

243 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 217);