Finite Group Databasebeta
Cayley diagram

C2×#2777 #52217

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

Aliases

direct productC2×#2777

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2777, #528791, #528891, …
maximal normal subgroup ofC4×#2777, #528791, #528891, …
maximal quotient ofC2×#14388, C2×#14396, C2×#14434, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45205);