Finite Group Databasebeta
Cayley diagram

C2×#9556 #202540

order512
nilpotency class3
isoclinismisoclinic class of #468
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#9556

Subgroups

subgroupG/H
centerC23×C4C2×D4
commutatorC2×C4C23×C8
Frattini, cosocleC2×C42C24
socleC24C4×D4
prime radicalC23×D4C2×C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C4 ◁ C22×C4×C8 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1154 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)(8,12)(9,14)(10,13)(15,16,18,21,19,17,20,22);(7,8,13,14,11,9,10,12)(15,17,18,22,19,16,20,21);(4,6)(7,9,10,14,11,8,13,12)

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#210728, C2×#229060, C2×#227634, …
maximal normal subgroup ofC2×#210728, C2×#229060, C2×#227634, …
maximal quotient ofC2×#140191, C2×#140188, #72286782, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 109736);