Finite Group Databasebeta

C7⋊#14556847 #30655769

order16380
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productC7⋊#14556847

Splittings

Fitting, socle, derived, HallC32×C5×C7×C13 ⋊ C4
HallC32×C7×C13 ⋊ Dic5
HallC32×C5×C13 ⋊ Dic7
HallC5×C7×C13 ⋊ #157
HallC32×C5×C7 ⋊ Dic13
HallC32×C13 ⋊ Dic35
HallC7×C13 ⋊ #4379
HallC5×C13 ⋊ C7⋊#157
HallC32×C7 ⋊ Dic65
HallC32×C5 ⋊ Dic91
HallC5×C7 ⋊ #90865
SylowC13 ⋊ C7⋊#4379
SylowC32 ⋊ Dic455
SylowC7 ⋊ #14556847
SylowC5 ⋊ C7⋊#90865

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC32×C5×C7×C13C4
prime radical, cosocleC5×C7×C13×C3⋊D3C2
LCSG ▷ C32×C5×C7×C13
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2730

Polycyclic presentation:

2^2,3^2,5,7,13|a^2=b,c^a=cd,d^a=cd^2,e^a=e^4,f^a=f^6,g^a=g^12,c^b=c^2,d^b=d^2

Conjugacy classes & character table

1368 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16380, 819);