Finite Group Databasebeta

C9×D115 #14523389

order2070
isoclinismisoclinic class of D115
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×D115
unambiguous semidirect productC5⋊(C9×D23)
unambiguous semidirect productC23⋊(C9×D5)

Splittings

Fitting, HallC5×C9×C23 ⋊ C2
derived, HallC5×C23 ⋊ C2×C9
HallC9×C23 ⋊ D5
HallC5×C9 ⋊ D23
SylowC23 ⋊ C9×D5
SylowC5 ⋊ C9×D23

Subgroups

subgroupG/H
center, hypercenterC9D115
commutator, hypocenterC5×C23C2×C9
FrattiniC3C3×D115
FittingC5×C9×C23C2
socle, cosocleC3×C5×C23C2×C3
prime radicalC3×D115C3
LCSG ▷ C5×C23
UCSC1 ◁ C9

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 1035

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);(11,14)(12,13)(16,37)(17,36)(18,35)(19,34)(20,33)(21,32)(22,31)(23,30)(24,29)(25,28)(26,27)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC9×D5×D23, D9×D115, D45⋊D23, …
maximal normal subgroup ofC9×D5×D23, D9×D115, D45⋊D23, …
maximal quotient ofC9×Dic115, C2×C9×D115, C7×C9×D115, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2070, 4);