Finite Group Databasebeta

C2×C5⋊D855 #30685628

order17100
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2×C5

Aliases

direct productC2×C5⋊D855
unambiguous semidirect product(C2×C5)⋊D855
unambiguous semidirect product(C2×C9)⋊(C5⋊D95)
unambiguous semidirect product(C2×C19)⋊(C5⋊D45)

Splittings

FittingC2×C52×C9×C19 ⋊ C2
derived, HallC52×C9×C19 ⋊ C22
HallC52×C19 ⋊ C2×D9
HallC52×C9 ⋊ C2×D19
HallC9×C19 ⋊ C2×C5⋊D5
SylowC52 ⋊ C2×D171
SylowC19 ⋊ C2×C5⋊D45
SylowC9 ⋊ C2×C5⋊D95

Subgroups

subgroupG/H
center, hypercenterC2C5⋊D855
commutator, cosocle, hypocenterC52×C9×C19C22
FrattiniC3C2×C3⋊(C5⋊D95)
FittingC2×C52×C9×C19C2
socleC2×C3×C52×C19D3
LCSG ▷ C52×C9×C19
UCSC1 ◁ C2

240 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8550

Conjugacy classes & character table

4278 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17100, 265);