Finite Group Databasebeta
Cayley diagram

C22×#1999 #6431692

order512
nilpotency class3
isoclinismisoclinic class of #1999
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C212

Aliases

direct productC22×#1999

Subgroups

subgroupG/H
center, socleC25C2×D4
commutator, Frattini, cosocleC22×C4C25
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C25 ◁ C25×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

11074 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 20 points:

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

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#393909, C22×#23391, C22×#23848, …
maximal normal subgroup ofC2×#393909, C22×#23391, C22×#23848, …
maximal quotient ofC2×#394213, C2×#393940, C2×#405081, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 6338888);