Finite Group Databasebeta

C5×#73146 #14510870

order1920
automorphism?
homologyAbelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#73146

Subgroups

subgroupG/H
centerC2×C5#5432
commutatorC22×A4C2×C4×C5
FrattiniC2×C4C2×C5×S4
FittingC23×C5×Q8D3
socleC23×C5#217
prime radicalC22×C5×A4C2×C4
cosocleC2×C4×A4C22×C5
hypercenterC2×C5×Q8S4
hypocenterA4C5×#101
LCSG ▷ C22×A4 ▷ C2×A4 ▷ A4
UCSC1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C2×C5×Q8

382 conjugacy classes of subgroups; only the 60 normal subgroups are shown.

normal subgroups only

This group has 382 conjugacy classes of subgroups — too many to draw. Only its 60 normal subgroups are shown.

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

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 240

A minimal faithful permutation representation — 2 generators on 25 points:

(1,2,3,4,5)(6,7,9)(10,12,14,20)(11,15,17,18)(13,21,22,19)(16,24,25,23);(7,8)(10,11,13,16,14,17,22,25)(12,18,19,24,20,15,21,23)

Conjugacy classes & character table

160 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 236568);