Finite Group Databasebeta
Cayley diagram

C2×#1916 #21018

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#1916

Subgroups

subgroupG/H
centerC23×C4C23
commutatorC22C23×C8
Frattini, cosocleC22×C4C24
socle, prime radicalC24C22×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

567 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 22 points:

(1,2);(3,4)(5,6)(7,8)(9,12)(10,11)(13,14)(15,16,20,17,19,22,18,21);(8,11)(12,14)(15,17,20,22,19,21,18,16);(4,6)(7,9,10,13)(8,12,11,14)(15,18,19,20)(16,21,22,17)

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#96680, #96682, #98829, …
maximal normal subgroup of#96680, #96682, #98829, …
maximal quotient ofC2×#9533, C2×#9535, C2×#9534, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14006);