Finite Group Databasebeta

D15⋊D437 #39910796

order26220
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD15⋊D437

Splittings

Fitting, socle, derived, HallC3×C5×C19×C23 ⋊ C22
HallC5×C19×C23 ⋊ C2×D3
HallC3×C19×C23 ⋊ C2×D5
HallC19×C23 ⋊ D3×D5
HallC3×C5×C23 ⋊ C2×D19
HallC3×C5×C19 ⋊ C2×D23
HallC5×C23 ⋊ D3×D19
HallC5×C19 ⋊ D3×D23
HallC3×C23 ⋊ D5×D19
HallC3×C19 ⋊ D5×D23
SylowC23 ⋊ D15⋊D19
SylowC19 ⋊ D15⋊D23
HallC3×C5 ⋊ C2×D437
SylowC5 ⋊ D3×D437
SylowC3 ⋊ D5×D437

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C5×C19×C23C22
LCSG ▷ C3×C5×C19×C23
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6555

Polycyclic presentation:

2^2,3,5,19,23|d^a=d^4,e^a=e^18,f^a=f^22,c^b=c^2,d^b=d^4

Conjugacy classes & character table

1974 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26220, 86);