Finite Group Databasebeta
Cayley diagram

#495775

order512
nilpotency class4
isoclinismisoclinic class of #33551
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×B(4,𝔽2)
commutatorC2×D4C23×C4
Frattini, cosocleC22×D4C24
prime radicalC2×#2199C2
LCSG ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×D4 ◁ G
LECSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1

1285 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^9|a^2=g,d^2=g,b^a=be,c^a=cf,h^a=hi,c^b=ci,d^b=di,f^b=fhi,e^c=eh,f^e=fi

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#33551, #72242941, #72242961, …
maximal normal subgroup ofC4×#33551, #72278281, #72278399, …
maximal quotient of#72242941, #72282732

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 402971);