Finite Group Databasebeta
Cayley diagram

C2×#13639 #512725

order512
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C32 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#13639

Subgroups

subgroupG/H
centerC2×C4×C16C22
commutatorC2C23×C32
Frattini, cosocleC2×C16C24
socleC23C22×C16
prime radicalC24C2×C16
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C16 ◁ G
LECSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

462 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 42
transitive degreeμt(G) = 256

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

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

Conjugacy classes & character table

320 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 419921);