Finite Group Databasebeta
Cayley diagram

C7×#627 #92684

order504
isoclinismisoclinic class of #625
automorphismAut(G) = C2×C3×#64241 (order 1728) · Inn(G) = D32 · Out(G) = C2×C3×D4
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×#627

Splittings

HallC32×C7 ⋊ Q8
SylowC32 ⋊ C7×Q8

Subgroups

subgroupG/H
center, hypercenterC2×C7D32
commutator, cosocleC2×C32C22×C7
FrattiniC2D32×C7
Fitting, socle, prime radicalC2×C32×C7C22
hypocenterC32C7×Q8
LCSG ▷ C2×C32 ▷ C32
UCSC1 ◁ C2×C7

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 168

A minimal faithful permutation representation — 2 generators on 21 points:

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

Conjugacy classes & character table

105 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC7×#3775, C7×#3776, #11759404, …
maximal normal subgroup ofC7×#3775, C7×#3776, #11759404, …
maximal quotient ofC7×Dic3⋊Dic3, C7×#3724, C2×C7×#627, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(504, 110);