Finite Group Databasebeta
Cayley diagram

C2×#2295 #34022

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 2097152
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2295

Subgroups

subgroupG/H
centerC23×C4C23
commutatorC22C24×C4
Frattini, cosocleC23C25
socle, prime radicalC24C24
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C23 ▷ C1

1375 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#96914, #105583, #105671, …
maximal normal subgroup of#96914, #105583, #105671, …
maximal quotient ofC2×#13755, C2×#13759, C2×C4×#387, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27010);