Finite Group Databasebeta

#22627315⋊C2 #34035441

order18732
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#22627315⋊C2
unambiguous semidirect product#22627319⋊C2
unambiguous semidirect product#22627323⋊C2

Splittings

Fitting, socle, derived, HallC7×C223 ⋊ C22×C3
HallD7×D223 ⋊ C3
Hall#17989746 ⋊ C22
SylowC223 ⋊ C2×AGL(1,𝔽7)
SylowC7 ⋊ C2×D223⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C223C22×C3
LCSG ▷ C7×C223
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1561

Polycyclic presentation:

2^2,3,7,223|e^a=e^222,d^b=d^6,d^c=d^2,e^c=e^39

Conjugacy classes & character table

199 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18732, 27);