Finite Group Databasebeta

D21⋊D401 #46797677

order33684
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD21⋊D401
unambiguous semidirect productD1203⋊D7
unambiguous semidirect productD2807⋊D3

Splittings

Fitting, socle, derived, HallC3×C7×C401 ⋊ C22
HallC7×C401 ⋊ C2×D3
HallC3×C401 ⋊ C2×D7
SylowC401 ⋊ D3×D7
HallC3×C7 ⋊ C2×D401
SylowC7 ⋊ D3×D401
SylowC3 ⋊ D7×D401

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C401C22
LCSG ▷ C3×C7×C401
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8421

Polycyclic presentation:

2^2,3,7,401|d^a=d^6,e^a=e^400,c^b=c^2,d^b=d^6

Conjugacy classes & character table

2415 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33684, 30);