Finite Group Databasebeta

D217⋊(C5⋊D5) #36343902

order21700
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2×C5

Aliases

unambiguous semidirect productD217⋊(C5⋊D5)

Splittings

Fitting, socle, derived, HallC52×C7×C31 ⋊ C22
HallC52×C31 ⋊ C2×D7
HallC7×C31 ⋊ C2×C5⋊D5
HallC52×C7 ⋊ C2×D31
SylowC31 ⋊ D7×C5⋊D5
SylowC52 ⋊ D7×D31
SylowC7 ⋊ C5⋊D5×D31

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC52×C7×C31C22
LCSG ▷ C52×C7×C31
UCSC1

160 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5425

Polycyclic presentation:

2^2,5^2,7,31|e^a=e^6,f^a=f^30,c^b=c^4,d^b=d^4,e^b=e^6

Conjugacy classes & character table

1405 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21700, 107);