Finite Group Databasebeta

C5⋊(C7⋊D497) #46852367

order34790
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC5⋊(C7⋊D497)
unambiguous semidirect productC7⋊D2485
unambiguous semidirect productC71⋊(C5⋊(C7⋊D7))

Splittings

Fitting, socle, derived, HallC5×C72×C71 ⋊ C2
HallC72×C71 ⋊ D5
HallC5×C71 ⋊ C7⋊D7
HallC5×C72 ⋊ D71
SylowC71 ⋊ C5⋊(C7⋊D7)
SylowC72 ⋊ D355
SylowC5 ⋊ C7⋊D497

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC5×C72×C71C2
LCSG ▷ C5×C72×C71
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17395

Polycyclic presentation:

2,5,7^2,71|b^a=b^4,c^a=c^6,d^a=d^6,e^a=e^70

Conjugacy classes & character table

8699 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(34790, 48);