Finite Group Databasebeta
Cayley diagram

C2×#2677 #52095

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2677

Subgroups

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

1567 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 18 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131509, C2×#12176, C2×#12252, …
maximal normal subgroup of#131509, C2×#12176, C2×#12252, …
maximal quotient ofC2×#14362, C2×#14402, C2×#14405, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45083);