Finite Group Databasebeta
Cayley diagram

C2×#12345 #488986

order512
nilpotency class4
isoclinismisoclinic class of #12316
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#12345

Subgroups

subgroupG/H
center, socleC23#447
commutator, Frattini, cosocleC4×C8C24
prime radicalC22×D4D8
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×C8×D4 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

736 conjugacy classes of subgroups; only the 162 normal subgroups are shown.

normal subgroups only

This group has 736 conjugacy classes of subgroups — too many to draw. Only its 162 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) = 256

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

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

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, 396182);