Finite Group Databasebeta
Cayley diagram

#493577

order512
nilpotency class4
isoclinismisoclinic class of #2196
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4B(4,𝔽2)
commutatorC2×D4C23×C4
Frattini, cosocleC22×D4C24
socleC22C2×B(4,𝔽2)
prime radicalC2×#3481C2
LCSG ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C22×#41 ◁ G
LECSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1

2799 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 20 points:

(1,2)(3,4)(5,6)(7,11)(8,12,16,10)(9,13)(14,18,20,17)(15,19);(6,10)(8,16)(11,17)(12,13)(14,20)(18,19);(2,4)(8,16)(14,20);(5,7,9,15)(6,11,13,19)(8,14,16,20)(10,17,12,18)

Polycyclic presentation:

2^9|a^2=g,d^2=i,e^2=i,b^a=be,c^a=cf,e^a=eh,h^a=hi,e^b=ei,f^b=fhi,g^b=ghi,e^c=eh,f^e=fi,g^e=gi

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72238617, #72251939, #72251941, …
maximal normal subgroup of#72238617, #72251939, #72251941, …
maximal quotient of#72238630, #72261903, #72279384, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 400773);