Finite Group Databasebeta

C2×#7672751 #72298703

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C27 · Schur multiplier (H2) = C220

Aliases

direct productC2×#7672751

Subgroups

subgroupG/H
center, socleC24C26
commutator, Frattini, cosocleC23C27
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

136501 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 7 generators on 18 points:

(8,10)(13,17)(16,18);(7,8)(9,10)(13,17)(16,18);(4,6)(12,15)(13,17);(3,4)(5,6)(12,15)(13,17);(11,12,14,15)(13,16,17,18);(11,13)(12,16)(14,17)(15,18);(1,2)

Conjugacy classes & character table

232 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#72233771, C2×#72236189, C22×#7672751, …
maximal normal subgroup ofC2×#72233771, C2×#72236189, C22×#7672751, …
maximal quotient ofC2×#72298093, C2×#72261412, C2×#72297595, …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

gap> G := Group((8,10)(13,17)(16,18), (7,8)(9,10)(13,17)(16,18), (4,6)(12,15)(13,17), (3,4)(5,6)(12,15)(13,17), (11,12,14,15)(13,16,17,18), (11,13)(12,16)(14,17)(15,18), (1,2));