Finite Group Databasebeta

C2×D525 #14523560

order2100
isoclinismisoclinic class of D525
automorphismAut(G) order 252000
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD1050
direct productC2×D525
unambiguous semidirect product(C2×C3)⋊D175
unambiguous semidirect product(C2×C7)⋊D75
unambiguous semidirect product(C2×C25)⋊D21

Splittings

FittingC2×C3×C7×C25 ⋊ C2
derived, HallC3×C7×C25 ⋊ C22
HallC7×C25 ⋊ C2×D3
HallC3×C25 ⋊ C2×D7
SylowC25 ⋊ C2×D21
HallC3×C7 ⋊ C2×D25
SylowC7 ⋊ C2×D75
SylowC3 ⋊ C2×D175

Subgroups

subgroupG/H
center, hypercenterC2D525
commutator, cosocle, hypocenterC3×C7×C25C22
FrattiniC5C2×D105
FittingC2×C3×C7×C25C2
socleC2×C3×C5×C7D5
LCSG ▷ C3×C7×C25
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 1050

A minimal faithful permutation representation — 2 generators on 37 points:

(1,2)(3,4,5)(6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30)(31,32,33,34,35,36,37);(4,5)(7,30)(8,29)(9,28)(10,27)(11,26)(12,25)(13,24)(14,23)(15,22)(16,21)(17,20)(18,19)(32,37)(33,36)(34,35)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC2×D3675, D7×D525, C2×C7×D525, …
maximal normal subgroup ofC2×C7×D525, C2×C11×D525, C2×C13×D525, …
maximal quotient ofC2×D3675, D7×D525, C2×C7×D525, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2100, 40);