Finite Group Databasebeta
Cayley diagram

C2×C22⋊C42 #513453

order512
nilpotency class2
isoclinismisoclinic class of D42
automorphism?
homologyAbelianization (H1) = C23×C42 · Schur multiplier (H2) = C211×C4

Aliases

direct productC2×C22⋊C42

Subgroups

subgroupG/H
center, socleC25C24
commutatorC22C23×C42
Frattini, cosocleC24C25
prime radicalC27C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C25 ◁ G
LECSG ▷ C24 ▷ C1

17882 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 18 points:

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

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#648360, C2×#110086, C2×C22⋊C4×#120, …
maximal normal subgroup ofC2×#648360, C2×#110086, C2×C22⋊C4×#120, …
maximal quotient ofC2×#356055, C22×C22⋊C42, C22⋊C4×#379, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 420649);