Finite Group Databasebeta

#43244459

order28098
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

derived, HallC7×C223 ⋊ C2×C9
Hall#28380796 ⋊ C2
HallC7×D223 ⋊ C9
HallD223 ⋊ C7⋊C9
SylowC223 ⋊ C2×C7⋊C9
SylowC7 ⋊ D223⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3#22627315
commutator, hypocenterC7×C223C2×C9
Fitting, socle, cosocleC3×C7×C223C2×C3
prime radicalC3×C7×D223C3
LCSG ▷ C7×C223
UCSC1 ◁ C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 14049

Polycyclic presentation:

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

Conjugacy classes & character table

807 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28098, 16);