Finite Group Databasebeta
Cayley diagram

C2×#2654 #34582

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2654

Subgroups

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

981 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)(11,12,15,14)(13,17,18,16)(20,21)(24,25);(13,18)(16,17)(19,20,23,21)(22,24,26,25);(3,4)(5,8)(6,7)(9,10)(11,13)(12,16)(14,17)(15,18)(19,21,23,20)(22,24,26,25);(3,5,6,9)(4,8,7,10)(11,14,15,12)(13,17,18,16)(19,22,23,26)(20,24,21,25)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#207715, #207738, #207755, …
maximal normal subgroup of#207715, #207738, #207755, …
maximal quotient ofC2×#14268, C2×#14270, C2×#14279, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27570);