Finite Group Databasebeta
Cayley diagram

C7×C31 #6341

order217
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C22×C32×C5 (order 180) · Inn(G) = C1 · Out(G) = C22×C32×C5
holomorphG ⋊ Aut(G) = AGL(1,𝔽7)×AGL(1,𝔽31)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C1

Aliases

cyclicC217
abelianC7×C31

Subgroups

subgroupG/H
centerGC1
commutator, FrattiniC1G
LCSG ▷ C1
UCSC1 ◁ G

4 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 217

A minimal faithful permutation representation — 1 generator on 38 points:

(1,2,3,4,5,6,7)(8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38)

Conjugacy classes & character table

217 conjugacy classes — view the full character table.

Relationships

center ofD3×C7×C31, C7×D5×C31, C7×A4×C31, …
derived subgroup ofD217, #10620252, #10620253, …
Fitting subgroup ofD7×C31, C7×D31, D217, …
socle ofD7×C31, C7×D31, D217, …
maximal subgroup ofD7×C31, C7×D31, D217, …
maximal normal subgroup ofD7×C31, C7×D31, D217, …
maximal quotient ofC2×C7×C31, C3×C7×C31, C5×C7×C31, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(217, 1);