Finite Group Databasebeta
Cayley diagram

C2×#7421 #150247

order512
nilpotency class5
isoclinismisoclinic class of #7418
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC2×#7421

Subgroups

subgroupG/H
center, socleC23#357
commutatorC2×C16C22×C4
Frattini, cosocleC22×C16C23
prime radicalC24SD32
LCSG ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ C23×C8 ◁ C23×C16 ◁ G
LECSG ▷ C22×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

308 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 308 conjugacy classes of subgroups — too many to draw. Only its 90 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) = 74
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 74 points:

(1,2);(3,4)(5,9,10,7)(6,8)(11,12,15,21,18,25,41,24)(13,26,28,60,31,63,39,62)(14,32,35,69,38,55,74,70)(16,42,40,22,17,44,34,23)(19,46,47,27,51,64,50,66)(20,52,54,37,57,72,56,36)(29,67,43,61,30,68,45,53)(33,58,71,48,65,59,73,49);(3,5)(4,7)(6,10)(8,9)(11,13,18,31)(12,19,25,51)(14,33,38,65)(15,39,41,28)(16,43,17,45)(20,53,57,61)(21,50,24,47)(22,58,23,59)(26,32,63,55)(27,36,66,37)(29,34,30,40)(35,73,74,71)(42,48,44,49)(46,52,64,72)(54,68,56,67)(60,70,62,69)

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57443);