Finite Group Databasebeta

C5×#66627 #13132327

order1680
isoclinismisoclinic class of Dic42
automorphism?
homologyAbelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C1

Aliases

direct productC5×#66627

Splittings

HallC3×C5×C7 ⋊ M16
HallC5×C7 ⋊ #208
HallC3×C7 ⋊ C5×M16
HallC3×C5 ⋊ #1136
SylowC7 ⋊ C5×#208
SylowC3 ⋊ C5×#1136

Subgroups

subgroupG/H
centerC4×C5C2×D21
commutatorC2×C3×C7C2×C4×C5
FrattiniC4C2×C5×D21
FittingC2×C3×C4×C5×C7C2
socleC2×C3×C5×C7C2×C4
prime radicalC22×C3×C5×C7C4
cosocleC3×C4×C7C22×C5
hypercenterC2×C4×C5D21
hypocenterC3×C7C5×M16
LCSG ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C4×C5 ◁ C2×C4×C5

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 840

A minimal faithful permutation representation — 2 generators on 23 points:

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

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 347);