Finite Group Databasebeta
Cayley diagram

C2×#2866 #36637

order256
nilpotency class2
isoclinismisoclinic class of #2846
automorphismAut(G) order 3670016
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2866

Subgroups

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

1093 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)(5,9)(12,15)(16,18)(20,22)(21,25);(11,12)(13,16)(14,15)(17,18)(19,20,23,22)(21,24,25,26);(3,4,6,7)(5,8,9,10)(11,12)(13,16)(14,15)(17,18)(19,21)(20,24)(22,26)(23,25);(3,5)(4,8)(6,9)(7,10)(11,13,14,17)(12,16,15,18)(19,22,23,20)(21,26,25,24)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2866⋊C7
maximal subgroup of#207705, #207731, #207745, …
maximal normal subgroup of#207705, #207731, #207745, …
maximal quotient ofC2×#14691, C2×#14701, C2×#14704, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29625);