Finite Group Databasebeta
Cayley diagram

C2×#8138 #181819

order512
nilpotency class2
isoclinismisoclinic class of H(3,ℤ/4)
automorphism?
homologyAbelianization (H1) = C22×C4×C8 · Schur multiplier (H2) = C23×C42

Aliases

direct productC2×#8138

Subgroups

subgroupG/H
centerC22×C8C42
commutatorC4C22×C4×C8
Frattini, cosocleC2×C42C24
socleC23#376
prime radicalC24#117
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C22×C8 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

850 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 42
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

176 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#244113, C2×#181872, C2×#128554
maximal normal subgroup ofC2×#244113, C2×#181872, C2×#128554

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 89015);