Finite Group Databasebeta
Cayley diagram

C2×#2775 #52215

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#2775

Subgroups

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

1013 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);(3,4,7,5)(6,9,10,8)(11,12)(13,16)(14,15)(17,18)(20,23)(24,25);(4,5)(6,10)(12,14)(16,17)(19,20,22,23)(21,25,26,24);(3,5,7,4)(6,9,10,8)(11,13,15,18)(12,16,14,17)(19,20)(21,24)(22,23)(25,26);(3,6,7,10)(4,8,5,9)(11,14,15,12)(13,17,18,16)(19,21,22,26)(20,24,23,25)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2775, #528796, #528857, …
maximal normal subgroup ofC4×#2775, #528796, #528857, …
maximal quotient ofC2×#14387, C2×#14396, C2×#14399, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45203);