Finite Group Databasebeta

Dic195 #11715928

order780
isoclinismisoclinic class of D195
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic195
unambiguous semidirect productC3⋊Dic65

Splittings

derived, HallC3×C5×C13 ⋊ C4
HallC5×C13 ⋊ Dic3
HallC3×C13 ⋊ Dic5
HallC3×C5 ⋊ Dic13
SylowC13 ⋊ Dic15
SylowC5 ⋊ Dic39
SylowC3 ⋊ Dic65

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D195
commutator, hypocenterC3×C5×C13C4
Fitting, socle, prime radical, cosocleC2×C3×C5×C13C2
LCSG ▷ C3×C5×C13
UCSC1 ◁ C2

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 780

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)(6,7)(9,12)(10,11)(14,25)(15,24)(16,23)(17,22)(18,21)(19,20)

Polycyclic presentation:

2^2,3,5,13|a^2=b,c^a=c^2,d^a=d^4,e^a=e^12

Conjugacy classes & character table

198 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD13×Dic15, D15×Dic13, #13095635, …
maximal normal subgroup ofD13×Dic15, D15×Dic13, #13095635, …
maximal quotient ofC3⋊#10587059, C2×Dic195, Dic585, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(780, 11);