Finite Group Databasebeta

C2×D7897 #44539115

order31588
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15794
direct productC2×D7897
unambiguous semidirect product(C2×C53)⋊D149
unambiguous semidirect product(C2×C149)⋊D53

Splittings

Fitting, socleC2×C53×C149 ⋊ C2
derived, HallC53×C149 ⋊ C22
SylowC149 ⋊ C2×D53
SylowC53 ⋊ C2×D149

Subgroups

subgroupG/H
center, hypercenterC2D7897
commutator, cosocle, hypocenterC53×C149C22
FrattiniC1G
Fitting, socleC2×C53×C149C2
LCSG ▷ C53×C149
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 204
transitive degreeμt(G) = 15794

A minimal faithful permutation representation — 2 generators on 204 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55)(56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204);(4,55)(5,54)(6,53)(7,52)(8,51)(9,50)(10,49)(11,48)(12,47)(13,46)(14,45)(15,44)(16,43)(17,42)(18,41)(19,40)(20,39)(21,38)(22,37)(23,36)(24,35)(25,34)(26,33)(27,32)(28,31)(29,30)(57,204)(58,203)(59,202)(60,201)(61,200)(62,199)(63,198)(64,197)(65,196)(66,195)(67,194)(68,193)(69,192)(70,191)(71,190)(72,189)(73,188)(74,187)(75,186)(76,185)(77,184)(78,183)(79,182)(80,181)(81,180)(82,179)(83,178)(84,177)(85,176)(86,175)(87,174)(88,173)(89,172)(90,171)(91,170)(92,169)(93,168)(94,167)(95,166)(96,165)(97,164)(98,163)(99,162)(100,161)(101,160)(102,159)(103,158)(104,157)(105,156)(106,155)(107,154)(108,153)(109,152)(110,151)(111,150)(112,149)(113,148)(114,147)(115,146)(116,145)(117,144)(118,143)(119,142)(120,141)(121,140)(122,139)(123,138)(124,137)(125,136)(126,135)(127,134)(128,133)(129,132)(130,131)

Conjugacy classes & character table

7900 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31588
maximal normal subgroup ofD31588
maximal quotient ofDic15794, D31588

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31588, 15);