Finite Group Databasebeta
Cayley diagram

D63⋊C4 #92588

order504
isoclinismisoclinic class of D7×D9
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD63⋊C4

Splittings

derived, HallC7×C9 ⋊ C2×C4
SylowC9 ⋊ C4×D7
SylowC7 ⋊ C4×D9

Subgroups

subgroupG/H
center, hypercenterC2D7×D9
commutator, hypocenterC7×C9C2×C4
FrattiniC2×C3D3×D7
Fitting, cosocleC2×C7×C9C22
socleC2×C3×C7C2×D3
prime radicalC2×D63C2
LCSG ▷ C7×C9
UCSC1 ◁ C2

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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

60 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11758977, D63⋊Q8, #11758984, …
maximal normal subgroup of#11758977, D63⋊Q8, #11758984, …
maximal quotient ofD63⋊C8, #11758855, Dic7×Dic9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(504, 14);