Finite Group Databasebeta

D21⋊D337 #43246781

order28308
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD21⋊D337
unambiguous semidirect productD1011⋊D7
unambiguous semidirect productD2359⋊D3

Splittings

Fitting, socle, derived, HallC3×C7×C337 ⋊ C22
HallC7×C337 ⋊ C2×D3
HallC3×C337 ⋊ C2×D7
SylowC337 ⋊ D3×D7
HallC3×C7 ⋊ C2×D337
SylowC7 ⋊ D3×D337
SylowC3 ⋊ D7×D337

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C337C22
LCSG ▷ C3×C7×C337
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7077

Polycyclic presentation:

2^2,3,7,337|d^a=d^6,e^a=e^336,c^b=c^2,d^b=d^6

Conjugacy classes & character table

2031 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28308, 78);