Finite Group Databasebeta
Cayley diagram

C2×#2709 #52131

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2709

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC22×#127C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1771 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)(16,19)(20,21);(4,6)(8,11)(12,14)(15,16,18,19)(17,21,22,20);(3,4)(5,6)(7,8,10,11)(9,12,13,14)(15,16)(17,20)(18,19)(21,22);(7,9)(8,12)(10,13)(11,14)(15,17)(16,20)(18,22)(19,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147825, C2×#13347, C2×#13423, …
maximal normal subgroup of#147825, C2×#13347, C2×#13423, …
maximal quotient ofC2×#14376, C2×#14414, C2×#14419, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45119);