Finite Group Databasebeta
Cayley diagram

C2×#2625 #34613

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 2097152
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2625

Subgroups

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

1295 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);(8,9)(12,13)(17,21)(19,22);(4,6)(7,8,11,9)(10,12,14,13)(15,16,18,20)(17,22,21,19);(3,4)(5,6)(7,9,11,8)(10,12,14,13)(15,17)(16,19)(18,21)(20,22);(7,10,11,14)(8,12,9,13)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97033, #112262, #113527, …
maximal normal subgroup of#97033, #112262, #113527, …
maximal quotient ofC2×#14258, C2×#14261, C2×#14264, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27601);