Finite Group Databasebeta
Cayley diagram

C2×C7×#157 #92761

order504
isoclinismisoclinic class of #157
automorphismAut(G) = C22×C3×AΓL(1,𝔽9) (order 1728) · Inn(G) = #157 · Out(G) = C24×C3
homologyAbelianization (H1) = C2×C4×C7 · Schur multiplier (H2) = C2×C3

Aliases

direct productC2×C7×#157

Splittings

Fitting, socleC2×C32×C7 ⋊ C4
derived, SylowC32 ⋊ C2×C4×C7
HallC32×C7 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC2×C7#157
commutator, hypocenterC32C2×C4×C7
FrattiniC1G
Fitting, socleC2×C32×C7C4
prime radicalC2×C7×C3⋊D3C2
cosocleC3⋊D3C22×C7
LCSG ▷ C32
UCSC1 ◁ C2×C7

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 84

A minimal faithful permutation representation — 2 generators on 15 points:

(3,4)(5,6,7,8)(9,10,11,12,13,14,15);(1,2)(3,7,5)

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic7×#157, (C2×D7)⋊#157, Dic7⋊#157, …
maximal normal subgroup ofDic7×#157, (C2×D7)⋊#157, Dic7⋊#157, …
maximal quotient ofC7×#3787, C7×#3788, C4×C7×#157, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(504, 187);