Finite Group Databasebeta

C7×#688 #10587889

order560
isoclinismisoclinic class of #686
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×#688

Splittings

FittingC5×C7×Q8 ⋊ C2
HallC5×C7 ⋊ SD16
SylowC5 ⋊ C7×SD16

Subgroups

subgroupG/H
centerC2×C7C22⋊D5
commutator, cosocleC4×C5C22×C7
FrattiniC4C2×C7×D5
FittingC5×C7×Q8C2
socleC2×C5×C7D4
prime radicalC7×D20C2
hypercenterC7×Q8D5
hypocenterC5C7×SD16
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×Q8

40 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)(8,9,11,12,10)(13,14,16,18)(15,20,19,17);(9,10)(11,12)(14,17)(15,19)(18,20)

Conjugacy classes & character table

119 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#688, #11764950, #11764953, …
maximal normal subgroup ofD7×#688, #11764950, #11764953, …
maximal quotient ofC7×#3940, C7×#3941, C7×#3967, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(560, 61);