Finite Group Databasebeta

D45⋊D145 #39907976

order26100
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD45⋊D145

Splittings

Fitting, derived, HallC52×C9×C29 ⋊ C22
HallC52×C29 ⋊ C2×D9
HallC9×C29 ⋊ D52
HallC52×C9 ⋊ C2×D29
SylowC29 ⋊ D45⋊D5
SylowC52 ⋊ D9×D29
SylowC9 ⋊ D5×D145

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC52×C9×C29C22
FrattiniC3D15⋊D145
socleC3×C52×C29C2×D3
LCSG ▷ C52×C9×C29
UCSC1

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

normal subgroups only

This group has 144 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) = 2610

Polycyclic presentation:

2^2,3,5^2,29,3|c^3=g^2,d^a=d^4,e^a=e^4,f^a=f^28,c^b=c^2g,d^b=d^4,g^b=g^2

Conjugacy classes & character table

1752 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26100, 210);