Finite Group Databasebeta

C5×#70920 #14318202

order1920
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#70920

Splittings

HallC3×C5 ⋊ #2231
SylowC3 ⋊ C5×#2231

Subgroups

subgroupG/H
centerC2×C5#5008
commutator, cosocleC2×C3×C8C23×C5
FrattiniC2×C8C22×C5×D3
FittingC3×C5×#443C2
socleC2×C3×C5#476
prime radicalC3×C5×#135C22
hypercenterC5×#443D3
hypocenterC3C5×#2231
LCSG ▷ C2×C3×C8 ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C4×C5×C8 ◁ C5×#443

240 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 240 conjugacy classes of subgroups — too many to draw. Only its 98 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 — 3 generators on 40 points:

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

Conjugacy classes & character table

255 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 43900);