Finite Group Databasebeta
Cayley diagram

#251820

order512
nilpotency class3
isoclinismisoclinic class of #251818
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#535
commutator, Frattini, cosocleC2×C42C24
socleC22#2404
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

816 conjugacy classes of subgroups; only the 134 normal subgroups are shown.

normal subgroups only

This group has 816 conjugacy classes of subgroups — too many to draw. Only its 134 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) = 48
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 48 points:

(1,2)(3,7)(4,9)(5,14)(6,10)(8,11)(12,16)(13,15)(17,18)(19,25)(20,24)(21,26)(22,27)(23,29)(28,36)(30,42)(31,38)(32,40)(33,41)(34,43)(35,44)(37,46)(39,45)(47,48);(1,3)(2,7)(4,13)(5,11)(6,12)(8,14)(9,15)(10,16)(17,19,21,29)(18,23,26,25)(20,31)(22,30,34,46)(24,38)(27,37,43,42)(28,35)(32,45)(33,47)(36,44)(39,40)(41,48);(1,3)(2,8)(4,11)(5,13)(6,12)(7,14)(9,16)(10,15)(17,20)(18,24)(19,28)(21,33)(22,35)(23,36)(25,39)(26,41)(27,44)(29,45)(30,47)(31,46)(32,34)(37,48)(38,42)(40,43);(1,4,6,5)(2,9,10,14)(3,11,12,13)(7,8,16,15)(17,19)(18,25)(20,28)(21,29)(22,30)(23,26)(24,39)(27,42)(31,32)(33,45)(34,46)(35,47)(36,41)(37,43)(38,44)(40,48)

Polycyclic presentation:

2^9|b^2=e,d^2=i,f^2=i,g^2=h,b^a=be,c^a=cf,d^a=deh,f^a=fi,c^b=cg,d^b=dhi,f^b=fh,e^c=eh,f^c=fi,g^c=gh,f^d=fh

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 159016);