Finite Group Databasebeta
Cayley diagram

C2×#1452 #17318

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 131072
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#1452

Subgroups

subgroupG/H
centerC2×C42C23
commutatorC22C22×C42
Frattini, cosocleC42C24
socleC23C2×C42
prime radicalC24C42
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

451 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 26 points:

(1,2);(4,7)(8,10)(11,12,14,17,15,18,21,24)(13,16,20,23,19,22,25,26);(3,4,5,8,6,7,9,10)(11,13)(12,16)(14,20)(15,19)(17,23)(18,22)(21,25)(24,26);(13,19)(16,22)(20,25)(23,26)

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105258, #105259, #105279, …
maximal normal subgroup of#105258, #105259, #105279, …
maximal quotient ofC2×#7843, C4×#1452, C2×#7849, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10306);