Finite Group Databasebeta
Cayley diagram

C2×#2807 #52266

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2807

Subgroups

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

1079 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)(5,9)(11,12)(13,17)(14,15)(16,18)(19,20,23,24)(21,25,26,22);(4,7)(8,10)(12,15)(13,18)(20,24)(22,25);(3,4)(5,8)(6,7)(9,10)(11,12)(13,16)(14,15)(17,18)(19,21,23,26)(20,25,24,22);(3,5,6,9)(4,8,7,10)(11,13,14,18)(12,16,15,17)(19,22,23,25)(20,26,24,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131510, C2×#12179, C2×#12255, …
maximal normal subgroup of#131510, C2×#12179, C2×#12255, …
maximal quotient ofC2×#14442, C2×#14457, C2×#14458, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45254);