Finite Group Databasebeta

D21⋊(D11⋊C25) #37528236

order23100
automorphism?
homologyAbelianization (H1) = C22×C25 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD21⋊(D11⋊C25)
unambiguous semidirect product(D21⋊D11)⋊C25
unambiguous semidirect product(C3⋊(D11⋊C25))⋊D7
unambiguous semidirect product(C7⋊(D11⋊C25))⋊D3

Splittings

derived, HallC3×C7×C11 ⋊ C22×C25
HallC3×C7×C11⋊C25 ⋊ C22
HallC7×C11⋊C25 ⋊ C2×D3
HallD21⋊D11 ⋊ C25
HallC3×C11⋊C25 ⋊ C2×D7
HallC11⋊C25 ⋊ D3×D7
HallC7×C11 ⋊ C2×D3×C25
HallC3×C11 ⋊ C2×D7×C25
HallC3×C7 ⋊ C2×D11⋊C25
SylowC11 ⋊ D3×D7×C25
SylowC7 ⋊ D3×D11⋊C25
SylowC3 ⋊ D7×D11⋊C25

Subgroups

subgroupG/H
center, Frattini, hypercenterC5D21⋊AGL(1,𝔽11)
commutator, hypocenterC3×C7×C11C22×C25
Fitting, socle, cosocleC3×C5×C7×C11C22×C5
prime radicalC5×D21⋊D11C5
LCSG ▷ C3×C7×C11
UCSC1 ◁ C5

120 conjugacy classes of subgroups; only the 40 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 40 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) = 5775

Polycyclic presentation:

2^2,5,3,7,11,5|c^5=g,e^a=e^6,f^a=f^10,d^b=d^2,e^b=e^6,f^c=f^4

Conjugacy classes & character table

435 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23100, 47);