Finite Group Databasebeta
Cayley diagram

C2×#7117 #124061

order512
nilpotency class4
isoclinismisoclinic class of #1355
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C24

Aliases

direct productC2×#7117

Subgroups

subgroupG/H
center, socleC23#329
commutatorC42C22×C8
Frattini, cosocleC2×#97C23
prime radicalC24#100
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ C22×#97 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

562 conjugacy classes of subgroups; only the 146 normal subgroups are shown.

normal subgroups only

This group has 562 conjugacy classes of subgroups — too many to draw. Only its 146 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 42 points:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 31257);