Finite Group Databasebeta

C5×#6408 #11764503

order1120
automorphism?
homologyAbelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#6408

Splittings

HallC5×C7 ⋊ #99
SylowC7 ⋊ C5×#99

Subgroups

subgroupG/H
centerC2×C5C22⋊Dic7
commutatorC22×C7C2×C4×C5
FrattiniC23C2×C5×D7
Fitting, prime radicalC2×C5×C7×D4C2
socleC2×C5×C7C22⋊C4
cosocleC23×C7C22×C5
hypercenterC2×C5×D4D7
hypocenterC7C5×#99
LCSG ▷ C22×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C5 ◁ C23×C5 ◁ C2×C5×D4

104 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 280

A minimal faithful permutation representation — 2 generators on 20 points:

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

Conjugacy classes & character table

205 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 109);