Finite Group Databasebeta
Cayley diagram

C2×#13048 #494591

order512
nilpotency class4
isoclinismisoclinic class of #2196
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#13048

Subgroups

subgroupG/H
center, socleC23B(4,𝔽2)
commutatorC2×D4C23×C4
Frattini, cosocleC22×D4C24
prime radicalC22×H(5,𝔽2)C22
LCSG ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24 ◁ C23×D4 ◁ G
LECSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1

2262 conjugacy classes of subgroups; only the 258 normal subgroups are shown.

normal subgroups only

This group has 2262 conjugacy classes of subgroups — too many to draw. Only its 258 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) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 22 points:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#494600, D3×#13048, C22×#13048, …
maximal normal subgroup ofC2×#494600, C22×#13048, #72256625
maximal quotient ofC2×#139777, #72236732, #72240575, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 401787);