Finite Group Databasebeta
Cayley diagram

C2×#2740 #52175

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

Aliases

direct productC2×#2740

Subgroups

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

1165 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)(5,7)(6,8)(9,10)(11,12,14,16)(13,17,18,15)(20,23)(24,25);(4,5)(6,10)(11,12,14,16)(13,15,18,17)(19,20,22,23)(21,25,26,24);(3,5,7,4)(6,9,10,8)(11,12)(13,15)(14,16)(17,18)(19,21,22,26)(20,24,23,25);(3,6)(4,8)(5,9)(7,10)(11,13)(12,15)(14,18)(16,17)(19,20)(21,24)(22,23)(25,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2740, #528726, #528731, …
maximal normal subgroup ofC4×#2740, #528726, #528731, …
maximal quotient ofC2×#14368, C2×#14372, C2×#14374, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45163);