Finite Group Databasebeta
Cayley diagram

C2×#2690 #52110

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

Aliases

direct productC2×#2690

Subgroups

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

1263 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);(7,8)(9,12)(10,14)(11,13)(15,16,18,20)(17,21,22,19);(4,6)(7,9,11,14)(8,12,13,10)(15,16)(17,21)(18,20)(19,22);(3,4)(5,6)(7,9)(8,10)(11,14)(12,13);(7,10)(8,9)(11,12)(13,14)(15,17,18,22)(16,19,20,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2690, #528172, #528218, …
maximal normal subgroup ofC4×#2690, #528172, #528218, …
maximal quotient ofC2×#14362, C2×#14369, C2×#14393, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45098);