Finite Group Databasebeta
Cayley diagram

C2×#2653 #34568

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#2653

Subgroups

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

1197 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)(8,10)(11,12)(13,15)(14,16)(17,18)(19,20,23,22)(21,25,26,24);(12,13)(16,17)(21,26)(24,25);(3,4)(5,8)(6,7)(9,10)(11,13,15,12)(14,16,18,17)(19,21)(20,24)(22,25)(23,26);(3,5,6,9)(4,8,7,10)(11,14,15,18)(12,16,13,17)(19,22,23,20)(21,25,26,24)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#207717, #207732, #207757, …
maximal normal subgroup of#207717, #207732, #207757, …
maximal quotient ofC2×#14267, C2×#14269, C2×#14279, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27556);