Finite Group Databasebeta
Cayley diagram

#130674

order512
nilpotency class4
isoclinismisoclinic class of #130512
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1782
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×Q8C23
prime radicalC22×D4C22⋊C4
LCSG ▷ C2×C42 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ #2356 ◁ G
LECSG ▷ C2×C4×Q8 ▷ C23 ▷ C2 ▷ C1

492 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 492 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 40
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 40 points:

(2,6,7,8)(9,10,14,19,15,20,12,25)(11,21,22,38,23,16,30,33)(13,18,26,34,29,36,28,17)(24,35,40,37,27,32,39,31);(1,2)(3,6)(4,8)(5,7)(9,11,15,23)(10,16)(12,22,14,30)(13,27,29,24)(17,31)(18,35)(19,33)(20,21)(25,38)(26,40,28,39)(32,36)(34,37);(1,3,5,4)(2,6,7,8)(9,12,15,14)(10,17,20,34)(11,22,23,30)(13,28,29,26)(16,31,21,37)(18,19,36,25)(24,40,27,39)(32,38,35,33)

Polycyclic presentation:

2^9|a^2=f,b^2=g,c^2=h,d^2=hi,e^2=i,f^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,d^b=dh,e^b=ei,f^b=fghi,d^c=di,e^c=ei,f^c=fgi,f^d=fi,f^e=fi

Conjugacy classes & character table

47 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 37870);