Finite Group Databasebeta
Cayley diagram

C2×#2790 #52234

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2790

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2790, #528573, #528575, …
maximal normal subgroup ofC4×#2790, #528573, #528575, …
maximal quotient ofC2×#14405, C2×#14414, C2×#14454, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45222);