Finite Group Databasebeta

#14558785⋊D7 #45691572

order33516
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#14558785⋊D7

Splittings

derived, HallC72×C19 ⋊ C22×C9
HallC7×#11924777 ⋊ C22
HallD7×D133 ⋊ C9
SylowC72 ⋊ C2×#4294⋊C2
SylowC19 ⋊ D7×D7⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3#11716326⋊D7
commutator, hypocenterC72×C19C22×C9
Fitting, socle, cosocleC3×C72×C19C22×C3
prime radicalC3×D7×D133C3
LCSG ▷ C72×C19
UCSC1 ◁ C3

128 conjugacy classes of subgroups; only the 39 normal subgroups are shown.

normal subgroups only

This group has 128 conjugacy classes of subgroups — too many to draw. Only its 39 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2394

Polycyclic presentation:

2^2,3,7^2,19,3|c^3=g,e^a=e^6,f^a=f^18,d^b=d^6,d^c=d^2,f^c=f^11

Conjugacy classes & character table

420 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33516, 370);