Finite Group Databasebeta
Cayley diagram

C2×#2771 #52211

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

Aliases

direct productC2×#2771

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131606, C2×#12189, C2×#12265, …
maximal normal subgroup of#131606, C2×#12189, C2×#12265, …
maximal quotient ofC2×#14384, C2×#14436, C2×#14464, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45199);