Finite Group Databasebeta

D15⋊(D139⋊C3) #38736249

order25020
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD15⋊(D139⋊C3)
unambiguous semidirect product(C3⋊(D139⋊C3))⋊D5
unambiguous semidirect product(C5⋊(D139⋊C3))⋊D3
unambiguous semidirect product(D15⋊D139)⋊C3

Splittings

Fitting, socle, derivedC3×C5×C139 ⋊ C22×C3
HallC3×C5×C139⋊C3 ⋊ C22
HallC3×C139⋊C3 ⋊ C2×D5
HallC5×C139 ⋊ C2×C3×D3
SylowC139 ⋊ C3×D3×D5
SylowC5 ⋊ D3×D139⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C5×C139C22×C3
LCSG ▷ C3×C5×C139
UCSC1

88 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2085

Polycyclic presentation:

2^2,3^2,5,139|e^a=e^4,f^a=f^138,d^b=d^2,e^b=e^4,f^c=f^42

Conjugacy classes & character table

243 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25020, 71);