Finite Group Databasebeta
Cayley diagram

C2×#2808 #52268

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#2808

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1143 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)(5,8)(6,7)(9,10)(12,15)(16,17)(19,20,22,24)(21,25,26,23);(4,6)(5,9)(11,12,14,15)(13,17,18,16)(19,20,22,24)(21,23,26,25);(3,5,7,9)(4,8,6,10)(11,12)(13,16)(14,15)(17,18)(19,20)(21,23)(22,24)(25,26);(3,6,7,4)(5,10,9,8)(11,13)(12,16)(14,18)(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 of#97547, C2×#7746, C2×#7779, …
maximal normal subgroup of#97547, C2×#7746, C2×#7779, …
maximal quotient ofC2×#14445, C2×#14446, C2×#14471, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45256);