Finite Group Databasebeta
Cayley diagram

C2×#2589 #34837

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2589

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1167 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#208559, #217159, #224060, …
maximal normal subgroup of#208559, #217159, #224060, …
maximal quotient ofC2×#13934, C2×#13948, C2×#14059, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27825);