Finite Group Databasebeta
Cayley diagram

C2×#2712 #52134

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C42

Aliases

direct productC2×#2712

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC2×#392C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1587 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)(16,17)(20,21);(4,6)(8,11)(12,14)(15,16,19,17)(18,21,22,20);(3,4)(5,6)(7,8,10,11)(9,12,13,14)(15,17,19,16)(18,21,22,20);(7,9)(8,12)(10,13)(11,14)(15,18,19,22)(16,20,17,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131430, C2×#12151, C2×#12245, …
maximal normal subgroup of#131430, C2×#12151, C2×#12245, …
maximal quotient ofC2×#14378, C2×#14412, C2×#14421, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45122);