Finite Group Databasebeta

C5⋊#85549 #14513951

order1920
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC5⋊#85549

Splittings

SylowC5 ⋊ #85549

Subgroups

subgroupG/H
center, Frattini, hypercenterC22C5⋊#1020
commutator, prime radical, cosocle, hypocenterC5×#543⋊C3C2
FittingC5×#543D3
socleC22×C5#1020
LCSG ▷ C5×#543⋊C3
UCSC1 ◁ C22

248 conjugacy classes of subgroups; only the 23 normal subgroups are shown.

normal subgroups only

This group has 248 conjugacy classes of subgroups — too many to draw. Only its 23 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 160

Polycyclic presentation:

2,3,5,2^6|a^2=i,f^2=i,g^2=i,b^a=b^2,c^a=c^4,d^a=de,f^a=fg,g^a=gi,d^b=e,e^b=de,f^b=g,g^b=fgi,g^d=gh,f^e=fh,g^f=gi

Conjugacy classes & character table

57 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 239649);