Finite Group Databasebeta
Cayley diagram

C2×C3×C7×C9 #67391

order378
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C22×C3×#272 (order 648) · Inn(G) = C1 · Out(G) = C22×C3×#272
homologyAbelianization (H1) = G · Schur multiplier (H2) = C3

Aliases

abelianC2×C3×C7×C9

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC3C2×C32×C7
socle, prime radicalC2×C32×C7C3
LCSG ▷ C1
UCSC1 ◁ G

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 378

A minimal faithful permutation representation — 2 generators on 21 points:

(1,2)(3,4,5,6,7,8,9,10,11)(15,16,17,18,19,20,21);(12,13,14)

Conjugacy classes & character table

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

Relationships

center ofC3×C7×D4×C9, C3×C7×Q8×C9
derived subgroup of#13094354, #13094357, #13094359, …
Fitting subgroup ofC3×C9×Dic7, C3×C7×Dic9, C7×C9×Dic3, …
maximal subgroup ofC3×C9×Dic7, C3×C7×Dic9, C7×C9×Dic3, …
maximal normal subgroup ofC3×C9×Dic7, C3×C7×Dic9, C7×C9×Dic3, …
maximal quotient ofC3×C4×C7×C9, C22×C3×C7×C9, C2×C7×C92, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(378, 44);