Finite Group Databasebeta
Cayley diagram

C2×#7420 #150246

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

Aliases

direct productC2×#7420

Subgroups

subgroupG/H
center, socleC23#357
commutatorC2×C16C22×C4
Frattini, cosocleC22×C16C23
prime radicalC2×#2215C2
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

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

normal subgroups only

This group has 334 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) = 42
transitive degreeμt(G) = 256

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

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

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, 57442);