Finite Group Databasebeta
Cayley diagram

C2×#2576 #34847

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#2576

Subgroups

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

1275 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)(11,12,15,14)(13,17,18,16)(20,23)(21,25);(4,7)(8,9)(13,18)(16,17)(19,20,22,23)(21,24,25,26);(3,4)(5,8)(6,7)(9,10)(11,13)(12,16)(14,17)(15,18)(19,20)(21,24)(22,23)(25,26);(3,5)(4,8)(6,10)(7,9)(11,14,15,12)(13,17,18,16)(19,21,22,25)(20,24,23,26)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#208549, #217153, #222923, …
maximal normal subgroup of#208549, #217153, #222923, …
maximal quotient ofC2×#13917, C2×#13947, C2×#13984, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27835);