Finite Group Databasebeta

D55×C191 #35230697

order21010
automorphism?
homologyAbelianization (H1) = C2×C191 · Schur multiplier (H2) = C1

Aliases

direct productD55×C191
unambiguous semidirect productC5⋊(D11×C191)
unambiguous semidirect productC11⋊(D5×C191)

Splittings

Fitting, socle, HallC5×C11×C191 ⋊ C2
derived, HallC5×C11 ⋊ C2×C191
HallC11×C191 ⋊ D5
HallC5×C191 ⋊ D11
SylowC11 ⋊ D5×C191
SylowC5 ⋊ D11×C191

Subgroups

subgroupG/H
center, hypercenterC191D55
commutator, cosocle, hypocenterC5×C11C2×C191
FrattiniC1G
Fitting, socleC5×C11×C191C2
LCSG ▷ C5×C11
UCSC1 ◁ C191

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10505

Conjugacy classes & character table

5539 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21010, 13);