Finite Group Databasebeta

D30100 #72295421

order60200
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD30100

Splittings

FittingC4×C7×C25×C43 ⋊ C2
HallC7×C25×C43 ⋊ D4
HallC25×C43 ⋊ D28
HallC7×C43 ⋊ D100
HallC7×C25 ⋊ D172
SylowC43 ⋊ D700
SylowC25 ⋊ D1204
SylowC7 ⋊ D4300

Subgroups

subgroupG/H
centerC2C2×D7525
commutator, cosocleC2×C7×C25×C43C22
FrattiniC2×C5C2×D1505
FittingC4×C7×C25×C43C2
socleC2×C5×C7×C43C2×D5
hypercenterC4D7525
hypocenterC7×C25×C43D4
LCSG ▷ C2×C7×C25×C43 ▷ C7×C25×C43
UCSC1 ◁ C2 ◁ C4

96 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 79
transitive degreeμt(G) = 30100

A minimal faithful permutation representation — 2 generators on 79 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)(37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79);(2,4)(6,29)(7,28)(8,27)(9,26)(10,25)(11,24)(12,23)(13,22)(14,21)(15,20)(16,19)(17,18)(31,36)(32,35)(33,34)(38,79)(39,78)(40,77)(41,76)(42,75)(43,74)(44,73)(45,72)(46,71)(47,70)(48,69)(49,68)(50,67)(51,66)(52,65)(53,64)(54,63)(55,62)(56,61)(57,60)(58,59)

Polycyclic presentation:

2^3,5,7,43,5|b^2=c,d^5=g,b^a=bc,d^a=d^4g^4,e^a=e^6,f^a=f^42,g^a=g^4

Conjugacy classes & character table

15053 conjugacy classes. The character table is too large to display.

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g");;
gap> coll := SingleCollector(F, [2, 2, 2, 5, 7, 43, 5]);;
gap> SetPower(coll, 2, F.3);;
gap> SetPower(coll, 4, F.7);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 4, 1, F.4^4*F.7^4);;
gap> SetConjugate(coll, 5, 1, F.5^6);;
gap> SetConjugate(coll, 6, 1, F.6^42);;
gap> SetConjugate(coll, 7, 1, F.7^4);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);