Finite Group Databasebeta

D21⋊(C17⋊D17) #37566293

order24276
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2×C17

Aliases

unambiguous semidirect productD21⋊(C17⋊D17)

Splittings

Fitting, socle, derived, HallC3×C7×C172 ⋊ C22
HallC7×C172 ⋊ C2×D3
HallC3×C172 ⋊ C2×D7
SylowC172 ⋊ D3×D7
HallC3×C7 ⋊ C2×C17⋊D17
SylowC7 ⋊ D3×C17⋊D17
SylowC3 ⋊ D7×C17⋊D17

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C172C22
LCSG ▷ C3×C7×C172
UCSC1

400 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6069

Polycyclic presentation:

2^2,3,7,17^2|d^a=d^6,e^a=e^16,f^a=f^16,c^b=c^2,d^b=d^6

Conjugacy classes & character table

1743 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(24276, 146);