Finite Group Databasebeta

Dic315 #11929459

order1260
isoclinismisoclinic class of D315
automorphismAut(G) order 90720
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic315
unambiguous semidirect productC7⋊Dic45
unambiguous semidirect productC9⋊Dic35

Splittings

derived, HallC5×C7×C9 ⋊ C4
HallC7×C9 ⋊ Dic5
HallC5×C9 ⋊ Dic7
HallC5×C7 ⋊ Dic9
SylowC9 ⋊ Dic35
SylowC7 ⋊ Dic45
SylowC5 ⋊ Dic63

Subgroups

subgroupG/H
center, hypercenterC2D315
commutator, hypocenterC5×C7×C9C4
FrattiniC2×C3D105
Fitting, cosocleC2×C5×C7×C9C2
socle, prime radicalC2×C3×C5×C7D3
LCSG ▷ C5×C7×C9
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 1260

A minimal faithful permutation representation — 2 generators on 25 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);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,18)(16,17)(20,25)(21,24)(22,23)

Polycyclic presentation:

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

Conjugacy classes & character table

318 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC11×Dic315, Dic3465, C13×Dic315, …
maximal normal subgroup ofC11×Dic315, C13×Dic315, C17×Dic315, …
maximal quotient ofC11×Dic315, Dic3465, C13×Dic315, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1260, 11);