Finite Group Databasebeta

C7×#2840 #11742149

order896
nilpotency class2
isoclinismisoclinic class of #2812
automorphism?
homologyAbelianization (H1) = C24×C7 · Schur multiplier (H2) = C23×C42

Aliases

direct productC7×#2840

Subgroups

subgroupG/H
center, socleC23×C7C24
commutator, Frattini, cosocleC23C24×C7
prime radicalC25×C7C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C7 ◁ G

580 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 31
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 4 generators on 31 points:

(1,2,3,4,5,6,7)(9,12)(13,15)(16,17)(18,21)(19,20)(22,23)(26,30)(28,31);(10,14)(13,15)(17,20)(21,22)(24,25,27,29)(26,31,30,28);(8,9)(10,13)(11,12)(14,15)(16,18)(17,21)(19,23)(20,22)(24,26,27,30)(25,28,29,31);(8,10)(9,13)(11,14)(12,15)(16,17)(18,22)(19,20)(21,23)(24,25)(26,28)(27,29)(30,31)

Conjugacy classes & character table

182 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13257045, #13257048, #13266012, …
maximal subgroup ofC7×#10390, C7×#10391, C7×#12123, …
maximal normal subgroup ofC7×#10390, C7×#10391, C7×#12123, …
maximal quotient ofC7×#14635, C7×#14673, C7×#16297, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 16915);