Finite Group Databasebeta
Cayley diagram

#147784

order512
nilpotency class4
isoclinismisoclinic class of #129617
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1790
commutatorC22×D4C22×C4
Frattini, cosocleC22×#41C23
prime radical#37297C2
LCSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G
LECSG ▷ C22×#41 ▷ C22 ▷ C2 ▷ C1

1261 conjugacy classes of subgroups; only the 138 normal subgroups are shown.

normal subgroups only

This group has 1261 conjugacy classes of subgroups — too many to draw. Only its 138 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 20 points:

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

Polycyclic presentation:

2^9|a^2=g,g^2=i,b^a=bd,c^a=ce,d^a=dh,e^a=ei,h^a=hi,c^b=cf,e^b=ehi,g^b=gh,d^c=dh,g^c=gi,e^d=ei,g^d=gi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72225797, #72232794, #72234087, …
maximal normal subgroup of#72225797, #72232794, #72234087, …
maximal quotient of#72225795, #72225806, #72232786, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 54980);