Finite Group Databasebeta

C5×#73021 #14510745

order1920
isoclinismisoclinic class of #73011
automorphism?
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C1

Aliases

direct productC5×#73021

Splittings

FittingC5×C8×Q8 ⋊ D3

Subgroups

subgroupG/H
center, socleC22×C5C4⋊S4
commutator, cosocleC4×SL(2,𝔽3)C22×C5
FrattiniC2×C4C2×C5×S4
FittingC5×C8×Q8D3
prime radicalC5×C4⋊GL(2,𝔽3)C2
hypercenterC2×C5×C8S4
hypocenterSL(2,𝔽3)C5×SD16
LCSG ▷ C4×SL(2,𝔽3) ▷ C2×SL(2,𝔽3) ▷ SL(2,𝔽3)
UCSC1 ◁ C22×C5 ◁ C2×C4×C5 ◁ C2×C5×C8

236 conjugacy classes of subgroups; only the 44 normal subgroups are shown.

normal subgroups only

This group has 236 conjugacy classes of subgroups — too many to draw. Only its 44 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) = 21
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 2 generators on 21 points:

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

Conjugacy classes & character table

185 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 236443);