Finite Group Databasebeta

D15⋊D123 #20301647

order7380
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD15⋊D123

Splittings

Fitting, socle, derived, HallC32×C5×C41 ⋊ C22
HallC32×C41 ⋊ C2×D5
HallC5×C41 ⋊ D32
HallC32×C5 ⋊ C2×D41
SylowC41 ⋊ (C3⋊D3)⋊D5
SylowC32 ⋊ D5×D41
SylowC5 ⋊ D3×D123

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC32×C5×C41C22
LCSG ▷ C32×C5×C41
UCSC1

88 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3^2,5,41|c^a=c^2,d^a=d^2,f^a=f^40,d^b=d^2,e^b=e^4

Conjugacy classes & character table

561 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD75⋊D123, D15⋊(C3⋊(D41⋊C5)), C5×D15⋊D123, …
maximal normal subgroup ofD15⋊(C3⋊(D41⋊C5)), C5×D15⋊D123
maximal quotient ofD75⋊D123, C5×D15⋊D123, D15⋊D615, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7380, 125);