Finite Group Databasebeta

C7×D4×H(3,𝔽3) #13094521

order1512
nilpotency class2
isoclinismisoclinic class of D4×H(3,𝔽3)
automorphism?
homologyAbelianization (H1) = C22×C32×C7 · Schur multiplier (H2) = C2×C32

Aliases

direct productC7×D4×H(3,𝔽3)
unambiguous semidirect productC4⋊(C2×C7×H(3,𝔽3))
unambiguous semidirect product(C32×D4)⋊(C3×C7)

Subgroups

subgroupG/H
center, socleC2×C3×C7C22×C32
commutator, Frattini, cosocleC2×C3C22×C32×C7
LCSG ▷ C2×C3 ▷ C1
UCSC1 ◁ C2×C3×C7 ◁ G

176 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)(12,13,15)(14,17,19)(16,20,18);(9,11)(13,16,17)(15,19,20)

Conjugacy classes & character table

385 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1512, 418);