Finite Group Databasebeta
Cayley diagram

C2×#2719 #52142

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2719

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1079 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 256

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2719, #528206, #528233, …
maximal normal subgroup ofC4×#2719, #528206, #528233, …
maximal quotient ofC2×#14385, C2×#14394, C2×#14400, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45130);