Finite Group Databasebeta

D15⋊D395 #37557254

order23700
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD15⋊D395

Splittings

Fitting, socle, derived, HallC3×C52×C79 ⋊ C22
HallC52×C79 ⋊ C2×D3
HallC3×C79 ⋊ D52
SylowC79 ⋊ D15⋊D5
HallC3×C52 ⋊ C2×D79
SylowC52 ⋊ D3×D79
SylowC3 ⋊ D5×D395

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C52×C79C22
LCSG ▷ C3×C52×C79
UCSC1

96 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2370

Polycyclic presentation:

2^2,3,5^2,79|d^a=d^4,e^a=e^4,f^a=f^78,c^b=c^2,d^b=d^4

Conjugacy classes & character table

1785 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23700, 137);