Finite Group Databasebeta

#28358332⋊C2 #42124170

order27882
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#28358332⋊C2

Splittings

derived, SylowC1549 ⋊ C2×C9
Hall#28358332 ⋊ C2
HallD1549 ⋊ C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3D1549⋊C3
commutator, hypocenterC1549C2×C9
Fitting, socle, cosocleC3×C1549C2×C3
prime radicalC3×D1549C3
LCSG ▷ C1549
UCSC1 ◁ C3

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 13941

Polycyclic presentation:

2,3,1549,3|b^3=d,c^a=c^1548,c^b=c^1273

Conjugacy classes & character table

792 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27882, 2);