Finite Group Databasebeta

D7⋊(C22⋊C27) #13094191

order1512
isoclinismisoclinic class of D7⋊A4
automorphism?
homologyAbelianization (H1) = C2×C27 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD7⋊(C22⋊C27)
unambiguous semidirect product(C22⋊(C7⋊C27))⋊C2

Splittings

derivedC22×C7 ⋊ C2×C27
HallC22×D7 ⋊ C27
SylowC7 ⋊ C2×C22⋊C27

Subgroups

subgroupG/H
center, Frattini, hypercenterC9D7⋊A4
commutator, hypocenterC22×C7C2×C27
Fitting, cosocleC22×C7×C9C2×C3
socleC22×C3×C7C2×C9
prime radicalC22×C3×D7C9
LCSG ▷ C22×C7
UCSC1 ◁ C9

56 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 378

Polycyclic presentation:

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

Conjugacy classes & character table

108 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1512, 88);