Finite Group Databasebeta

C5⋊(C5⋊#11716326) #34093045

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

Aliases

unambiguous semidirect productC5⋊(C5⋊#11716326)

Splittings

Fitting, socle, derived, HallC52×C7×C19 ⋊ C2×C3
HallC52×#87705 ⋊ C2
HallC19×C5⋊D35 ⋊ C3
HallC52×C19 ⋊ AGL(1,𝔽7)
Hall#87705 ⋊ C5⋊D5
HallC5⋊D35 ⋊ C19⋊C3
HallC52×C7 ⋊ C2×C19⋊C3
HallC7×C19 ⋊ C3×C5⋊D5
SylowC52 ⋊ #11716326
SylowC19 ⋊ C5⋊(C5⋊AGL(1,𝔽7))
SylowC7 ⋊ C5⋊D5×C19⋊C3

Subgroups

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

128 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 3325

Polycyclic presentation:

2,3,5^2,7,19|c^a=c^4,d^a=d^4,e^a=e^6,e^b=e^2,f^b=f^11

Conjugacy classes & character table

601 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19950, 84);