Finite Group Databasebeta
Cayley diagram

C2×#2708 #52130

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

Aliases

direct productC2×#2708

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC22×#121C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1631 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)(17,21)(18,19)(20,22);(4,6)(8,11)(12,14)(16,19)(17,22);(3,4)(5,6)(7,8,10,11)(9,12,13,14)(15,17)(16,20)(18,22)(19,21);(7,9)(8,12)(10,13)(11,14)(15,16)(17,20)(18,19)(21,22)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2708, #528193, #528209, …
maximal normal subgroup ofC4×#2708, #528193, #528209, …
maximal quotient ofC2×#14375, C2×#14384, C2×#14391, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45118);