Finite Group Databasebeta
Cayley diagram

D244 #92423

order488
isoclinismisoclinic class of Dic122
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD244
unambiguous semidirect productC4⋊D61

Splittings

FittingC4×C61 ⋊ C2
SylowC61 ⋊ D4

Subgroups

subgroupG/H
center, FrattiniC2C2×D61
commutator, socle, cosocleC2×C61C22
FittingC4×C61C2
hypercenterC4D61
hypocenterC61D4
LCSG ▷ C2×C61 ▷ C61
UCSC1 ◁ C2 ◁ C4

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 65
transitive degreeμt(G) = 244

A minimal faithful permutation representation — 2 generators on 65 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);(2,4)(6,65)(7,64)(8,63)(9,62)(10,61)(11,60)(12,59)(13,58)(14,57)(15,56)(16,55)(17,54)(18,53)(19,52)(20,51)(21,50)(22,49)(23,48)(24,47)(25,46)(26,45)(27,44)(28,43)(29,42)(30,41)(31,40)(32,39)(33,38)(34,37)(35,36)

Polycyclic presentation:

2^3,61|b^2=c,b^a=bc,d^a=d^60

Conjugacy classes & character table

125 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11758190, D488, #11758199, …
maximal normal subgroup of#11758190, D488, #11758199, …
maximal quotient of#11758190, D488, Dic244, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(488, 6);