Finite Group Databasebeta

D75⋊D91 #41031322

order27300
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD75⋊D91

Splittings

Fitting, derived, HallC3×C7×C13×C25 ⋊ C22
HallC7×C13×C25 ⋊ C2×D3
HallC3×C13×C25 ⋊ C2×D7
HallC3×C7×C25 ⋊ C2×D13
HallC13×C25 ⋊ D3×D7
HallC3×C7×C13 ⋊ C2×D25
HallC7×C25 ⋊ D3×D13
HallC7×C13 ⋊ D3×D25
HallC3×C25 ⋊ C2×D91
HallC3×C13 ⋊ D7×D25
SylowC25 ⋊ D3×D91
HallC3×C7 ⋊ D13×D25
SylowC13 ⋊ D21⋊D25
SylowC7 ⋊ D39⋊D25
SylowC3 ⋊ D25×D91

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC3×C7×C13×C25C22
FrattiniC5D15⋊D91
socleC3×C5×C7×C13C2×D5
LCSG ▷ C3×C7×C13×C25
UCSC1

120 conjugacy classes of subgroups; only the 34 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 34 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 6825

Polycyclic presentation:

2^2,3,5,7,13,5|d^5=g^4,d^a=d^4g,e^a=e^6,f^a=f^12,g^a=g^4,c^b=c^2,d^b=d^4g,g^b=g^4

Conjugacy classes & character table

1797 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27300, 212);