Finite Group Databasebeta
Cayley diagram

C2×#2720 #52143

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2720

Subgroups

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

1307 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);(7,8,11,10)(9,13,14,12)(17,20)(18,22);(4,6)(8,10)(9,14)(15,16,19,21)(17,18,20,22);(3,4)(5,6)(7,9,11,14)(8,12,10,13)(15,17,19,20)(16,18,21,22);(7,10,11,8)(9,13,14,12)(15,18)(16,20)(17,21)(19,22)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2720, #528205, #528231, …
maximal normal subgroup ofC4×#2720, #528205, #528231, …
maximal quotient ofC2×#14386, C2×#14398, C2×#14403, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45131);