Finite Group Databasebeta
Cayley diagram

C2×#1726 #20327

order256
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) order 1572864
homologyAbelianization (H1) = C2×C43 · Schur multiplier (H2) = C24×C42

Aliases

direct productC2×#1726

Subgroups

subgroupG/H
centerC23×C8C22
commutatorC2C2×C43
Frattini, cosocleC22×C4C24
socle, prime radicalC24C22×C4
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C23×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

807 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 256

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

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

Conjugacy classes & character table

160 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#1726⋊C3
maximal subgroup of#105257, #105258, #105300, …
maximal normal subgroup of#105257, #105258, #105300, …
maximal quotient ofC2×C8×#97, C2×#7841, C2×#7842, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13315);