Finite Group Databasebeta
Cayley diagram

C2×#13174 #495042

order512
nilpotency class4
isoclinismisoclinic class of #12087
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×#13174

Subgroups

subgroupG/H
center, socleC23#442
commutatorC2×C8C23×C4
Frattini, cosocleC22×C8C24
prime radicalC24AGL(1,ℤ/8)
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ C22×#97 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

670 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#498375, C2×#495895, C2×#497864, …
maximal normal subgroup ofC2×#498375, C2×#495895, C2×#497864, …
maximal quotient ofC2×#140354, C2×#147198, C2×#149242, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 402238);