Finite Group Databasebeta
Cayley diagram

C2×#2684 #52104

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2684

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC22×#120C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

2135 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147826, C2×#13348, C2×#13424, …
maximal normal subgroup of#147826, C2×#13348, C2×#13424, …
maximal quotient ofC2×#14357, C2×#14365, C2×#14393, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45092);