Finite Group Databasebeta

C5×#85366 #14511104

order1920
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#85366

Splittings

FittingC5×#520 ⋊ D3

Subgroups

subgroupG/H
center, socleC22×C5C22×S4
commutator, hypocenterSL(2,𝔽3)C22×C4×C5
FrattiniC22C22×C5×S4
FittingC5×#520D3
prime radicalC2×C5×#986C2
cosocleC2×SL(2,𝔽3)C23×C5
hypercenterC5×C4⋊C4S4
LCSG ▷ SL(2,𝔽3)
UCSC1 ◁ C22×C5 ◁ C5×C4⋊C4

570 conjugacy classes of subgroups; only the 92 normal subgroups are shown.

normal subgroups only

This group has 570 conjugacy classes of subgroups — too many to draw. Only its 92 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) = 320

A minimal faithful permutation representation — 3 generators on 25 points:

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

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 236802);