Finite Group Databasebeta

C2×#2129470 #72294522

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C212×C4

Aliases

direct productC2×#2129470

Subgroups

subgroupG/H
center, socleC25C25
commutator, Frattini, cosocleC24C26
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C25 ◁ G
LECSG ▷ C24 ▷ C1

34965 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 6 generators on 26 points:

(8,10)(11,12,14,16)(13,17,18,15)(19,20,22,24)(21,25,26,23);(7,8,9,10)(11,12)(13,15)(14,16)(17,18)(19,20,22,24)(21,25,26,23);(4,6)(7,8)(9,10)(19,20,22,24)(21,25,26,23);(3,4)(5,6)(11,12)(13,17)(14,16)(15,18)(19,20)(21,25)(22,24)(23,26);(11,13,14,18)(12,15,16,17)(19,21,22,26)(20,23,24,25);(1,2)

Conjugacy classes & character table

160 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#72293937
maximal normal subgroup ofC2×#72293937
maximal quotient ofC2×#72293959

GAP

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

gap> G := Group((8,10)(11,12,14,16)(13,17,18,15)(19,20,22,24)(21,25,26,23), (7,8,9,10)(11,12)(13,15)(14,16)(17,18)(19,20,22,24)(21,25,26,23), (4,6)(7,8)(9,10)(19,20,22,24)(21,25,26,23), (3,4)(5,6)(11,12)(13,17)(14,16)(15,18)(19,20)(21,25)(22,24)(23,26), (11,13,14,18)(12,15,16,17)(19,21,22,26)(20,23,24,25), (1,2));