Finite Group Databasebeta
Cayley diagram

C2×#2722 #52145

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2722

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1231 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);(7,8)(9,10)(11,12)(13,14)(15,16)(17,22)(18,21)(19,20);(4,6)(8,12)(10,13)(15,17,20,18)(16,21,19,22);(3,4)(5,6)(7,9)(8,13)(10,12)(11,14)(15,18,20,17)(16,21,19,22);(7,10,11,13)(8,9,12,14)(15,19,20,16)(17,21,18,22)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131431, C2×#12150, C2×#12244, …
maximal normal subgroup of#131431, C2×#12150, C2×#12244, …
maximal quotient ofC2×#14369, C2×#14388, C2×#14395, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45133);