Finite Group Databasebeta
Cayley diagram

C2×#2645 #34618

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 3145728
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2645

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

915 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 5 generators on 26 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2645⋊C3
maximal subgroup of#97041, #375633, #375643, …
maximal normal subgroup of#97041, #375633, #375643, …
maximal quotient ofC2×#14261, C2×#14266, C2×#14333, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27606);