Finite Group Databasebeta

D75⋊(D31⋊C3) #42124404

order27900
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD75⋊(D31⋊C3)
unambiguous semidirect product(C3⋊(D31⋊C3))⋊D25
unambiguous semidirect product(C25⋊(D31⋊C3))⋊D3
unambiguous semidirect product(D75⋊D31)⋊C3

Splittings

Fitting, derivedC3×C25×C31 ⋊ C22×C3
HallC3×C25×C31⋊C3 ⋊ C22
HallC25×C31 ⋊ C2×C3×D3
HallC3×C31⋊C3 ⋊ C2×D25
SylowC31 ⋊ C3×D3×D25
SylowC25 ⋊ D3×D31⋊C3

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC3×C25×C31C22×C3
FrattiniC5D15⋊(D31⋊C3)
socleC3×C5×C31C2×C3×D5
LCSG ▷ C3×C25×C31
UCSC1

132 conjugacy classes of subgroups; only the 33 normal subgroups are shown.

normal subgroups only

This group has 132 conjugacy classes of subgroups — too many to draw. Only its 33 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3^2,5,31,5|e^5=g^4,e^a=e^4g,f^a=f^30,g^a=g^4,d^b=d^2,e^b=e^4g,g^b=g^4,f^c=f^5

Conjugacy classes & character table

321 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27900, 151);