Finite Group Databasebeta

C5×#78689 #14412009

order1920
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C26

Aliases

direct productC5×#78689

Splittings

FittingC3×C5×#410 ⋊ C2
HallC3×C5 ⋊ #2884
SylowC3 ⋊ C5×#2884

Subgroups

subgroupG/H
centerC2×C5C2×D3×C22⋊C4
commutatorC22×C3C23×C4×C5
FrattiniC23C23×C5×D3
FittingC3×C5×#410C2
socleC2×C3×C5C22×C22⋊C4
prime radicalC2×C5×#1010C2
cosocleC23×C3C24×C5
hypercenterC5×#410D3
hypocenterC3C5×#2884
LCSG ▷ C22×C3 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C5 ◁ C22×C4×C5 ◁ C5×#410

1432 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 480

A minimal faithful permutation representation — 4 generators on 40 points:

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

Conjugacy classes & character table

315 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 137707);