Finite Group Databasebeta
Cayley diagram

C2×#2514 #34779

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2514

Subgroups

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

971 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);(4,6)(5,9)(11,12,16,14)(13,18,17,15)(21,25)(23,26);(3,4,7,6)(5,8,9,10)(11,13)(12,15)(14,18)(16,17)(19,20,22,24)(21,26,25,23);(3,5)(4,8)(6,10)(7,9)(11,14,16,12)(13,18,17,15)(19,21,22,25)(20,23,24,26);(3,6,7,4)(5,10,9,8)(11,15,16,18)(12,17,14,13)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97425, #97611, #98513, …
maximal normal subgroup of#97425, #97611, #98513, …
maximal quotient ofC2×#13885, C2×#13921, C2×#13989, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27767);