Finite Group Databasebeta

(C421⋊C7)⋊C9 #40997286

order26523
automorphism?
homologyAbelianization (H1) = C7×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C421⋊C7)⋊C9
unambiguous semidirect product(C421⋊C9)⋊C7

Splittings

derived, SylowC421 ⋊ C7×C9
HallC421⋊C9 ⋊ C7
HallC421⋊C7 ⋊ C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3(C421⋊C3)⋊C7
commutator, hypocenterC421C7×C9
Fitting, socle, cosocleC3×C421C3×C7
prime radicalC3×C421⋊C7C3
LCSG ▷ C421
UCSC1 ◁ C3

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 3789

Polycyclic presentation:

3,7,421,3|a^3=d,c^a=c^400,c^b=c^370

Conjugacy classes & character table

123 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26523, 2);