Finite Group Databasebeta

C2×D765 #15690331

order3060
automorphismAut(G) order 587520
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD1530
direct productC2×D765
unambiguous semidirect product(C2×C5)⋊D153
unambiguous semidirect product(C2×C9)⋊D85
unambiguous semidirect product(C2×C17)⋊D45

Splittings

FittingC2×C5×C9×C17 ⋊ C2
derived, HallC5×C9×C17 ⋊ C22
HallC9×C17 ⋊ C2×D5
HallC5×C17 ⋊ C2×D9
HallC5×C9 ⋊ C2×D17
SylowC17 ⋊ C2×D45
SylowC9 ⋊ C2×D85
SylowC5 ⋊ C2×D153

Subgroups

subgroupG/H
center, hypercenterC2D765
commutator, cosocle, hypocenterC5×C9×C17C22
FrattiniC3C2×D255
FittingC2×C5×C9×C17C2
socleC2×C3×C5×C17D3
LCSG ▷ C5×C9×C17
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 33
transitive degreeμt(G) = 1530

A minimal faithful permutation representation — 2 generators on 33 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);(4,11)(5,10)(6,9)(7,8)(13,16)(14,15)(18,33)(19,32)(20,31)(21,30)(22,29)(23,28)(24,27)(25,26)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC2×D3825, D5×D765, C2×C5×D765, …
maximal normal subgroup ofC2×C5×D765, C2×C7×D765, C2×C11×D765, …
maximal quotient ofC2×D3825, D5×D765, C2×C5×D765, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3060, 36);