Finite Group Databasebeta

D515⋊D15 #44525528

order30900
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD515⋊D15

Splittings

Fitting, socle, derived, HallC3×C52×C103 ⋊ C22
HallC52×C103 ⋊ C2×D3
HallC3×C103 ⋊ D52
SylowC103 ⋊ D5×D15
HallC3×C52 ⋊ C2×D103
SylowC52 ⋊ D3×D103
SylowC3 ⋊ (C5⋊D5)⋊D103

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C52×C103C22
LCSG ▷ C3×C52×C103
UCSC1

96 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 3090

Polycyclic presentation:

2^2,3,5^2,103|d^a=d^4,f^a=f^102,c^b=c^2,d^b=d^4,e^b=e^4

Conjugacy classes & character table

2025 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30900, 134);