Finite Group Databasebeta
Cayley diagram

C3×C7×D7 #64429

order294
isoclinismisoclinic class of D7
automorphismAut(G) = C22×C3×AGL(1,𝔽7) (order 504) · Inn(G) = D7 · Out(G) = C22×C32
homologyAbelianization (H1) = C2×C3×C7 · Schur multiplier (H2) = C1

Aliases

direct productC3×C7×D7

Splittings

Fitting, socle, HallC3×C72 ⋊ C2
derivedC7 ⋊ C2×C3×C7
SylowC72 ⋊ C2×C3

Subgroups

subgroupG/H
center, hypercenterC3×C7D7
commutator, cosocle, hypocenterC7C2×C3×C7
FrattiniC1G
Fitting, socleC3×C72C2
LCSG ▷ C7
UCSC1 ◁ C3×C7

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 42

A minimal faithful permutation representation — 2 generators on 17 points:

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

Conjugacy classes & character table

105 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×D72, D3×C7×D7, D7×D21, …
maximal normal subgroup ofC3×D72, D3×C7×D7, D7×D21, …
maximal quotient ofC3×C7×Dic7, C2×C3×C7×D7, C7×C9×D7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(294, 18);