Finite Group Databasebeta

C9×D7×C17 #14523871

order2142
isoclinismisoclinic class of D7
automorphism?
homologyAbelianization (H1) = C2×C9×C17 · Schur multiplier (H2) = C1

Aliases

direct productC9×D7×C17

Splittings

Fitting, HallC7×C9×C17 ⋊ C2
derived, SylowC7 ⋊ C2×C9×C17
HallC7×C17 ⋊ C2×C9
HallC7×C9 ⋊ C2×C17

Subgroups

subgroupG/H
center, hypercenterC9×C17D7
commutator, hypocenterC7C2×C9×C17
FrattiniC3C3×D7×C17
FittingC7×C9×C17C2
socleC3×C7×C17C2×C3
prime radicalC3×D7×C17C3
cosocleC3×C7C2×C3×C17
LCSG ▷ C7
UCSC1 ◁ C9×C17

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 33
transitive degreeμt(G) = 1071

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);(11,16)(12,15)(13,14)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC9×D7×D17, D7×C17×D9, D7×D153, …
maximal normal subgroup ofC9×D7×D17, D7×C17×D9, D7×D153, …
maximal quotient ofC9×C17×Dic7, C2×C9×D7×C17, C9×C17×D49, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2142, 7);