Finite Group Databasebeta
Cayley diagram

C2×#2716 #52138

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

Aliases

direct productC2×#2716

Subgroups

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

1241 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)(9,13)(15,16,20,22)(17,19,18,21);(4,6)(8,11)(12,14)(15,17,20,18)(16,21,22,19);(3,4)(5,6)(7,8,10,11)(9,12,13,14)(15,18,20,17)(16,21,22,19);(7,9)(8,12)(10,13)(11,14)(15,19,20,21)(16,17,22,18)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2716, #528188, #528266, …
maximal normal subgroup ofC4×#2716, #528188, #528266, …
maximal quotient ofC2×#14380, C2×#14390, C2×#14413, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45126);