Finite Group Databasebeta

C7⋊(C19⋊#6157) #43245647

order28196
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊(C19⋊#6157)
unambiguous semidirect productC19⋊(C7⋊#6157)

Splittings

Fitting, socle, derived, HallC7×C19×C53 ⋊ C4
HallC19×C53 ⋊ Dic7
HallC7×C53 ⋊ Dic19
HallC7×C19 ⋊ #6157
SylowC53 ⋊ Dic133
SylowC19 ⋊ C7⋊#6157
SylowC7 ⋊ C19⋊#6157

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C19×C53C4
prime radical, cosocleC7×C19×D53C2
LCSG ▷ C7×C19×C53
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7049

Polycyclic presentation:

2^2,7,19,53|a^2=b,c^a=c^6,d^a=d^18,e^a=e^30,e^b=e^52

Conjugacy classes & character table

1865 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28196, 15);