Finite Group Databasebeta

C2×#135516 #72258362

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#135516

Subgroups

subgroupG/H
center, socleC22#8746
commutatorC22×D4C23×C4
Frattini, cosocleC23×D4C24
prime radicalC2×#3484C22
LCSG ▷ C22×D4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24 ◁ C24×D4 ◁ G
LECSG ▷ C23×D4 ▷ C23 ▷ C2 ▷ C1

3639 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 18 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72258387, C2×#72216344, #72258450, …
maximal normal subgroup of#72258387, C2×#72216344, #72258450, …
maximal quotient of#72310327, #72323563, #72338985, …

GAP

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

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