Finite Group Databasebeta

D26100 #72289313

order52200
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD26100

Splittings

FittingC4×C9×C25×C29 ⋊ C2
HallC9×C25×C29 ⋊ D4
HallC25×C29 ⋊ D36
HallC9×C29 ⋊ D100
HallC9×C25 ⋊ D116
SylowC29 ⋊ D900
SylowC25 ⋊ D1044
SylowC9 ⋊ D2900

Subgroups

subgroupG/H
centerC2C2×D6525
commutator, cosocleC2×C9×C25×C29C22
FrattiniC2×C3×C5C2×D435
FittingC4×C9×C25×C29C2
socleC2×C3×C5×C29C2×D15
hypercenterC4D6525
hypocenterC9×C25×C29D4
LCSG ▷ C2×C9×C25×C29 ▷ C9×C25×C29
UCSC1 ◁ C2 ◁ C4

144 conjugacy classes of subgroups; only the 57 normal subgroups are shown.

normal subgroups only

This group has 144 conjugacy classes of subgroups — too many to draw. Only its 57 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 67
transitive degreeμt(G) = 26100

A minimal faithful permutation representation — 2 generators on 67 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);(2,4)(6,13)(7,12)(8,11)(9,10)(15,38)(16,37)(17,36)(18,35)(19,34)(20,33)(21,32)(22,31)(23,30)(24,29)(25,28)(26,27)(40,67)(41,66)(42,65)(43,64)(44,63)(45,62)(46,61)(47,60)(48,59)(49,58)(50,57)(51,56)(52,55)(53,54)

Polycyclic presentation:

2^3,3,5,29,3,5|b^2=c,d^3=g,e^5=h,b^a=bc,d^a=d^2g^2,e^a=e^4h^4,f^a=f^28,g^a=g^2,h^a=h^4

Conjugacy classes & character table

13053 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", "h");;
gap> coll := SingleCollector(F, [2, 2, 2, 3, 5, 29, 3, 5]);;
gap> SetPower(coll, 2, F.3);;
gap> SetPower(coll, 4, F.7);;
gap> SetPower(coll, 5, F.8);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 4, 1, F.4^2*F.7^2);;
gap> SetConjugate(coll, 5, 1, F.5^4*F.8^4);;
gap> SetConjugate(coll, 6, 1, F.6^28);;
gap> SetConjugate(coll, 7, 1, F.7^2);;
gap> SetConjugate(coll, 8, 1, F.8^4);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);