Finite Group Databasebeta

C31×#1915 #16841848

order3968
nilpotency class3
isoclinismisoclinic class of #1913
automorphism?
homologyAbelianization (H1) = C22×C4×C31 · Schur multiplier (H2) = C24

Aliases

direct productC31×#1915

Subgroups

subgroupG/H
center, socleC2×C31#386
commutatorC23C22×C4×C31
Frattini, cosocleC22×C4C23×C31
prime radicalC2×#41×C31C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C31 ◁ C22×C4×C31 ◁ G

308 conjugacy classes of subgroups; only the 108 normal subgroups are shown.

normal subgroups only

This group has 308 conjugacy classes of subgroups — too many to draw. Only its 108 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 63
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 3 generators on 63 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31)(32,33,36,41,37,40,42,55)(34,38,45,52,44,53,49,56)(35,46,48,57,47,39,50,54)(43,51,59,62,58,61,60,63);(32,34,42,45,37,44,36,49)(33,38,41,56,40,53,55,52)(35,43,48,60,47,58,50,59)(39,51,57,62,46,61,54,63);(32,35)(33,39)(34,43)(36,50)(37,47)(38,51)(40,46)(41,57)(42,48)(44,58)(45,60)(49,59)(52,63)(53,61)(54,55)(56,62)

Conjugacy classes & character table

899 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#12757, C31×#12758, C31×#12770, …
maximal normal subgroup ofC31×#12757, C31×#12758, C31×#12770, …
maximal quotient ofC31×#9108, C31×#9110, C31×#9189, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 647);