Finite Group Databasebeta
Cayley diagram

C2×#2587 #34836

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2587

Subgroups

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

1135 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)(13,14)(15,16)(17,18)(20,22)(21,25);(4,7)(8,10)(12,16)(13,17)(19,20,23,22)(21,26,25,24);(3,4,6,7)(5,8,9,10)(11,13,15,17)(12,14,16,18)(19,21,23,25)(20,24,22,26);(3,5,6,9)(4,8,7,10)(11,14)(12,17)(13,16)(15,18)(19,22,23,20)(21,26,25,24)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#208556, #217156, #224054, …
maximal normal subgroup of#208556, #217156, #224054, …
maximal quotient ofC2×#13932, C2×#13948, C2×#14055, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27824);