Finite Group Databasebeta
Cayley diagram

C2×#12641 #493059

order512
nilpotency class4
isoclinismisoclinic class of D16
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#12641

Subgroups

subgroupG/H
centerC22×C8D8
commutatorC8C22×C42
Frattini, cosocleC22×C8C24
socleC23C4×D8
prime radicalC22×#135C22
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C8 ◁ C23×C8 ◁ C22×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

1178 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 38 points:

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

Conjugacy classes & character table

176 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#493242
maximal normal subgroup ofC2×#493242
maximal quotient ofC2×C8×#357, C2×C8×#359

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 400255);