Finite Group Databasebeta
Cayley diagram

C2×C41 #740

order82
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C5×C8 (order 40) · Inn(G) = C1 · Out(G) = C5×C8
holomorphG ⋊ Aut(G) = C2×AGL(1,𝔽41)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C1

Aliases

cyclicC82
abelianC2×C41
multiplicative(ℤ/83)ˣ, (ℤ/166)ˣ

Subgroups

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

4 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 43
transitive degreeμt(G) = 82

A minimal faithful permutation representation — 1 generator on 43 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43)

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

center ofD4×C41, Q8×C41, Dic3×C41, …
derived subgroup ofDic82, D164, C22⋊D41, …
Frattini subgroup ofC4×C5×C1681, Dic1681⋊C5, C4×C1681⋊C5, …
Fitting subgroup ofDic41, C2×D41, #66493, …
socle ofDic41, C4×C41, C2×D41, …
maximal subgroup ofDic41, C4×C41, C2×D41, …
maximal normal subgroup ofDic41, C4×C41, C2×D41, …
maximal quotient ofC4×C41, C22×C41, D3×C41, …
automorphism group ofC83, C2×C83
outer automorphism group ofC83, C2×C83, D3×C83

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(82, 2);