Finite Group Databasebeta
Cayley diagram

C2×#2586 #34835

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

Aliases

direct productC2×#2586

Subgroups

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

1091 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);(4,7)(8,10)(11,12,14,15)(13,17,18,16)(21,25)(24,26);(12,15)(16,17)(19,20,23,22)(21,26,25,24);(3,4)(5,8)(6,7)(9,10)(11,12)(13,16)(14,15)(17,18)(19,21,23,25)(20,24,22,26);(3,5,6,9)(4,8,7,10)(11,13,14,18)(12,16,15,17)(19,22,23,20)(21,26,25,24)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131594, #224069, #224089, …
maximal normal subgroup of#131594, #224069, #224089, …
maximal quotient ofC2×#13930, C2×#14057, C2×#14059, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27823);