Finite Group Databasebeta
Cayley diagram

C2×#12339 #489191

order512
nilpotency class4
isoclinismisoclinic class of #12324
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#12339

Subgroups

subgroupG/H
center, socleC23#447
commutator, Frattini, cosocleC4×C8C24
prime radicalC22×D8D4
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×#446 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

785 conjugacy classes of subgroups; only the 154 normal subgroups are shown.

normal subgroups only

This group has 785 conjugacy classes of subgroups — too many to draw. Only its 154 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);(4,7)(5,9)(8,10)(11,12,16,20)(13,21,23,39)(14,25,27,41)(15,30,28,19)(17,32,33,22)(18,35,37,29)(24,40,31,36)(26,38,42,34);(5,9)(7,10)(11,13)(12,17)(14,26)(15,31)(16,23)(18,36)(19,38)(20,33)(21,25)(22,29)(24,28)(27,42)(30,34)(32,35)(37,40)(39,41);(3,4,6,8)(5,10,9,7)(14,27)(18,37)(21,39)(22,32)(25,41)(26,42)(29,35)(36,40)

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 396387);