Finite Group Databasebeta
Cayley diagram

C2×#8148 #181890

order512
nilpotency class2
isoclinismisoclinic class of #120
automorphism?
homologyAbelianization (H1) = C22×C4×C8 · Schur multiplier (H2) = C25×C8

Aliases

direct productC2×#8148

Subgroups

subgroupG/H
centerC22×C42C23
commutatorC22C22×C4×C8
Frattini, cosocleC2×C42C24
socleC24C2×C42
prime radicalC25C42
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1546 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 22 points:

(1,2);(3,4)(5,6)(7,8,10,13,11,9,12,14)(15,16,19,17,18,21,20,22);(4,6)(15,16,20,22,18,21,19,17);(7,9,10,14,11,8,12,13)(15,17,19,21,18,22,20,16)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 89086);