Finite Group Databasebeta
Cayley diagram

D252 #92610

order504
isoclinismisoclinic class of Dic126
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD252
unambiguous semidirect productC4⋊D63

Splittings

FittingC4×C7×C9 ⋊ C2
HallC7×C9 ⋊ D4
SylowC9 ⋊ D28
SylowC7 ⋊ D36

Subgroups

subgroupG/H
centerC2C2×D63
commutator, cosocleC2×C7×C9C22
FrattiniC2×C3C2×D21
FittingC4×C7×C9C2
socleC2×C3×C7C2×D3
hypercenterC4D63
hypocenterC7×C9D4
LCSG ▷ C2×C7×C9 ▷ C7×C9
UCSC1 ◁ C2 ◁ C4

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 252

A minimal faithful permutation representation — 2 generators on 20 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

129 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11758857, #11758858, #11758863, …
maximal normal subgroup of#11758857, #11758858, #11758863, …
maximal quotient ofDic252, #11758922, D504, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(504, 36);