Finite Group Databasebeta
Cayley diagram

C2×#2814 #36651

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2814

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1337 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);(8,11)(12,14)(15,16,19,22)(17,18,21,20);(4,6)(8,11)(9,13)(15,17,19,21)(16,20,22,18);(3,4)(5,6)(7,8)(9,12)(10,11)(13,14)(15,17)(16,18)(19,21)(20,22);(7,9)(8,12)(10,13)(11,14)(15,18)(16,21)(17,22)(19,20)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111940, #133137, #133147, …
maximal normal subgroup of#111940, #133137, #133147, …
maximal quotient ofC2×#14622, C2×#14625, C2×#14626, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29639);