Finite Group Databasebeta
Cayley diagram

C2×#8157 #182042

order512
nilpotency class3
isoclinismisoclinic class of #1462
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#8157

Subgroups

subgroupG/H
centerC22×C4C2×C22⋊C4
commutatorC23C22×C42
Frattini, cosocleC2×C42C24
socleC23C4×C22⋊C4
prime radicalC25C42
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C4×C8 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1318 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 42
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 42 points:

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

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 89238);