Finite Group Databasebeta
Cayley diagram

C4×#2205 #495763

order512
nilpotency class4
isoclinismisoclinic class of #2204
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC4×#2205

Subgroups

subgroupG/H
centerC2×C4B(4,𝔽2)
commutatorC2×Q8C23×C4
Frattini, cosocleC22×Q8C24
socleC22C2×B(4,𝔽2)
prime radicalC2×2−1+4C23
LCSG ▷ C2×Q8 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1

1136 conjugacy classes of subgroups; only the 194 normal subgroups are shown.

normal subgroups only

This group has 1136 conjugacy classes of subgroups — too many to draw. Only its 194 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) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 20 points:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofQ8×#2205
maximal normal subgroup ofQ8×#2205
maximal quotient of#72268164

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 402959);