Finite Group Databasebeta
Cayley diagram

C2×#3269 #61027

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3269

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1387 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220322, C4×#3269, #6383915, …
maximal normal subgroup of#220322, C4×#3269, #6383915, …
maximal quotient ofC2×#19760, C2×#19768, C2×#19778, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54015);