Finite Group Databasebeta
Cayley diagram

C2×#12139 #484357

order512
nilpotency class4
isoclinismisoclinic class of #12093
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#12139

Subgroups

subgroupG/H
center, socleC23B(4,𝔽2)
commutator, Frattini, cosocleC2×C22⋊C4C24
prime radicalC2×#534C22
LCSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24 ◁ C22×C22⋊C4 ◁ G
LECSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1

1051 conjugacy classes of subgroups; only the 138 normal subgroups are shown.

normal subgroups only

This group has 1051 conjugacy classes of subgroups — too many to draw. Only its 138 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) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 26 points:

(1,2);(4,8)(5,6)(9,10)(11,12)(13,19)(14,22)(15,18)(16,21)(17,24)(20,26)(23,25);(3,4)(5,8)(6,10)(7,9)(11,13,15,20)(12,16,18,25)(14,23,24,21)(17,26,22,19);(3,5,7,6)(4,8,9,10)(13,20)(14,24)(16,25)(19,26)

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 391553);