Finite Group Databasebeta
Cayley diagram

C7⋊#622 #92665

order504
isoclinismisoclinic class of C7⋊#157
automorphism?
homologyAbelianization (H1) = C8 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productC7⋊#622

Splittings

derived, HallC32×C7 ⋊ C8
SylowC32 ⋊ C7⋊C8
SylowC7 ⋊ #622

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C7⋊#157
commutator, hypocenterC32×C7C8
Fitting, socle, prime radicalC2×C32×C7C4
cosocleC7×C3⋊Dic3C2
LCSG ▷ C32×C7
UCSC1 ◁ C2

28 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:

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

Polycyclic presentation:

2^3,3^2,7|a^2=b,b^2=c,d^a=d^2e,e^a=de,f^a=f^6,d^b=d^2,e^b=e^2

Conjugacy classes & character table

48 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#622, #11759392, #11759393, …
maximal normal subgroup ofD7×#622, #11759392, #11759393, …
maximal quotient ofC7⋊#3708, C2×C7⋊#622, C7⋊#6188, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(504, 91);