Finite Group Databasebeta
Cayley diagram

D213 #88340

order426
isoclinismisoclinic class of D213
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD213
unambiguous semidirect productC3⋊D71
unambiguous semidirect productC71⋊D3

Splittings

Fitting, socle, derived, HallC3×C71 ⋊ C2
SylowC71 ⋊ D3
SylowC3 ⋊ D71

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C71C2
LCSG ▷ C3×C71
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 74
transitive degreeμt(G) = 213

A minimal faithful permutation representation — 2 generators on 74 points:

(1,2,3)(4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74);(2,3)(5,74)(6,73)(7,72)(8,71)(9,70)(10,69)(11,68)(12,67)(13,66)(14,65)(15,64)(16,63)(17,62)(18,61)(19,60)(20,59)(21,58)(22,57)(23,56)(24,55)(25,54)(26,53)(27,52)(28,51)(29,50)(30,49)(31,48)(32,47)(33,46)(34,45)(35,44)(36,43)(37,42)(38,41)(39,40)

Polycyclic presentation:

2,3,71|b^a=b^2,c^a=c^70

Conjugacy classes & character table

108 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×D71, C2×D213, D639, …
maximal normal subgroup ofD3×D71, C2×D213, C3×D213, …
maximal quotient ofDic213, C2×D213, D639, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(426, 3);