Finite Group Databasebeta
Cayley diagram

C2×C7⋊#157 #92762

order504
isoclinismisoclinic class of C7⋊#157
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2×C3

Aliases

direct productC2×C7⋊#157
unambiguous semidirect product(C2×C7)⋊#157

Splittings

Fitting, socleC2×C32×C7 ⋊ C4
derived, HallC32×C7 ⋊ C2×C4
SylowC32 ⋊ C2×Dic7
SylowC7 ⋊ C2×#157

Subgroups

subgroupG/H
center, hypercenterC2C7⋊#157
commutator, hypocenterC32×C7C2×C4
FrattiniC1G
Fitting, socleC2×C32×C7C4
prime radicalC2×C7×C3⋊D3C2
cosocleC7×C3⋊D3C22
LCSG ▷ C32×C7
UCSC1 ◁ C2

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

Conjugacy classes & character table

48 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 of#11759521, #11759522, C4×C7⋊#157, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(504, 188);