Finite Group Databasebeta

C5×#67580 #14279622

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

Aliases

direct productC5×#67580

Splittings

FittingC3×C5×#367 ⋊ C2
HallC3×C5 ⋊ #1418
SylowC3 ⋊ C5×#1418

Subgroups

subgroupG/H
centerC2×C5#4491
commutatorC3×C16C2×C4×C5
FrattiniC2×C16C2×C5×D3
FittingC3×C5×#367C2
socleC2×C3×C5#357
prime radicalC5×#4904C2
cosocleC2×C3×C16C22×C5
hypercenterC5×#367D3
hypocenterC3C5×#1418
LCSG ▷ C3×C16 ▷ C3×C8 ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C2×C5×C8 ◁ C2×C5×C16 ◁ C5×#367

148 conjugacy classes of subgroups; only the 62 normal subgroups are shown.

normal subgroups only

This group has 148 conjugacy classes of subgroups — too many to draw. Only its 62 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) = 40
transitive degreeμt(G) = 480

A minimal faithful permutation representation — 2 generators on 40 points:

(1,2,3,4,5)(7,8)(9,10)(11,20)(12,25)(13,28)(14,16)(15,29)(17,24)(18,26)(19,31)(21,34)(22,35)(23,32)(27,30)(33,38)(36,40)(37,39);(6,7,8)(10,15,16,31)(11,19)(12,24)(13,26)(17,35,34,39)(18,36,28,33)(20,25,32,30)(21,27)(22,40)(23,29)(37,38)

Conjugacy classes & character table

240 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 5320);