Finite Group Databasebeta
Cayley diagram

#157

order36
isoclinismisoclinic class of #157
automorphismAut(G) = AΓL(1,𝔽9) (order 144) · Inn(G) = G · Out(G) = C22
holomorphG ⋊ Aut(G) = #72213315
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C3

Aliases

No aliases for this group.

Splittings

Fitting, socle, derived, SylowC32 ⋊ C4

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC32C4
prime radical, cosocleC3⋊D3C2
LCSG ▷ C32
UCSC1

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 6
transitive degreeμt(G) = 6

A minimal faithful permutation representation — 2 generators on 6 points:

(1,2)(3,5,6,4);(1,3,6)(2,5,4)

Polycyclic presentation:

2^2,3^2|a^2=b,c^a=cd^2,d^a=c^2d^2,c^b=c^2,d^b=d^2

Conjugacy classes & character table

C1C2C3C4C5C6
size144999
order133244
χ1111111
χ21111-1-1
χ3111-1i−i
χ4111-1−ii
χ541-2000
χ64-21000

Here i is the imaginary unit (i² = −1).

Relationships

derived subgroup ofAΓL(1,𝔽9), GO+(4,𝔽2)⋊C4, PSU(3,𝔽2)⋊C4, …
maximal subgroup ofAGL(1,𝔽9), GO+(4,𝔽2), PSU(3,𝔽2), …
maximal normal subgroup ofAGL(1,𝔽9), GO+(4,𝔽2), PSU(3,𝔽2), …
maximal quotient of#622, C2×#157, #1088, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(36, 9);