Finite Group Databasebeta

(C5⋊D5)⋊#87704 #34093072

order19950
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C5

Aliases

unambiguous semidirect product(C5⋊D5)⋊#87704

Splittings

Fitting, socle, derived, HallC52×C7×C19 ⋊ C2×C3
HallC52⋊#87704 ⋊ C2
HallC7×C19×C5⋊D5 ⋊ C3
HallC19×C5⋊D5 ⋊ ΓL(1,𝔽8)
HallC52×C19 ⋊ C2×ΓL(1,𝔽8)
HallC7×C5⋊D5 ⋊ C19⋊C3
HallC52×C7 ⋊ C2×C19⋊C3
HallC7×C19 ⋊ (C5⋊D5)⋊C3
HallC5⋊D5 ⋊ #87704
SylowC52 ⋊ C2×#87704
SylowC19 ⋊ (C5⋊D5)⋊ΓL(1,𝔽8)
SylowC7 ⋊ (C5⋊D5)⋊(C19⋊C3)

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC52×C7×C19C2×C3
LCSG ▷ C52×C7×C19
UCSC1

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1995

Polycyclic presentation:

2,3,5^2,7,19|c^a=c^4,d^a=d^4,c^b=cd^3,d^b=c^4d^3,e^b=e^2,f^b=f^7

Conjugacy classes & character table

626 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19950, 111);