Finite Group Databasebeta
Cayley diagram

C2×#2787 #52230

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

Aliases

direct productC2×#2787

Subgroups

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

1035 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)(5,9)(6,7)(8,10)(11,12,15,16)(13,17,18,14)(19,20,23,26)(21,24,25,22);(4,7)(5,10)(12,16)(14,17)(19,21,23,25)(20,24,26,22);(3,5)(4,8)(6,10)(7,9)(11,13)(12,14)(15,18)(16,17)(19,20)(21,24)(22,25)(23,26);(3,4)(5,8)(6,7)(9,10)(11,14)(12,13)(15,17)(16,18)(19,22,23,24)(20,25,26,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2787, #528837, #528901, …
maximal normal subgroup ofC4×#2787, #528837, #528901, …
maximal quotient ofC2×#14398, C2×#14416, C2×#14423, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45218);