Finite Group Databasebeta

#35208917

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
Hall#19104444 ⋊ C4
HallC13×C19 ⋊ ΓL(1,𝔽8)⋊C4
HallC7×C19 ⋊ AGL(1,𝔽13)
HallC7×C13 ⋊ (C19⋊C3)⋊C4
SylowC19 ⋊ #11763984
SylowC13 ⋊ #13097589
SylowC7 ⋊ #15688300

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C13×C19C3×C4
prime radical#23780564C2
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,d^a=d^6,e^a=e^5,f^a=f^18,d^b=d^2,e^b=e^9,f^b=f^11,e^c=e^12

Conjugacy classes & character table

189 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 145);